Most advice on how to be happier focuses on what you do for yourself, sleep, exercise, gratitude journalling, meditation, therapy. These work. But the research has a consistent finding that often gets underemphasised: the single strongest predictor of sustained happiness is the quality and depth of your relationships. Not the number of them. Not your income above a certain threshold. Not your accomplishments. The relationships.
This page covers what the evidence actually says about becoming happier, including the habits that compound over time, the ones that are overrated, and the specific practice of intentional giving that shows some of the strongest effects in the literature.
Key Takeaways
- The longest-running study on happiness (Harvard Study of Adult Development, 75+ years) found that the quality of your relationships is the strongest predictor of life satisfaction, more than wealth, fame, or achievement.
- Regular acts of giving and intentional kindness are among the few activities that reliably increase wellbeing for the giver, not just the recipient. The effect is dose-dependent: the more consistent the habit, the stronger the result.
- The Happiness Habit is a daily 3-minute practice built on this science: send a ForestNation Gift Story to someone who matters, plant trees in their name in Tanzania, and deepen a real relationship. $30/month. Full refund if you don’t feel happier after 30 days. forestnation.com/the-happiness-habit.
What the Research Actually Says About Being Happier
Relationships are the foundation. The Harvard Study of Adult Development, which followed people for over 75 years, found that close relationships, not money, fame, or hard work, kept people happy throughout their lives. The people who were most satisfied in their relationships at age 50 were the healthiest at age 80.
Giving is one of the most reliable happiness levers. Multiple studies show that spending money on others produces more happiness than spending it on yourself. Volunteering and acts of kindness release dopamine and serotonin. The effect is not just in the moment, consistent giving produces lasting increases in life satisfaction.
Purpose matters more than pleasure. Hedonic happiness, feeling good right now, fades quickly as we adapt to new circumstances. Eudaimonic happiness, the sense of meaning, contribution, and growth, is more durable. Acts that connect you to something larger than yourself (including reforestation, community, and genuine relationships) tap into this more stable form of wellbeing.
Attention is the resource. Where you direct your attention shapes your emotional state more reliably than external circumstances do. Practices that shift attention outward, toward other people, toward what you are grateful for, toward actions you can take, tend to reduce the internal rumination that feeds anxiety and low mood.
Habits That Make a Real Difference
Tell people what they mean to you. Regularly. This is the most underused happiness lever available to most people. Most of us know people we genuinely value and almost never say it directly. Research on “positive psychology interventions” shows that writing a detailed gratitude letter to someone and delivering it produces one of the largest and most lasting spikes in wellbeing of any tested activity.
Build a daily giving practice. Not occasional, daily. The ForestNation Happiness Habit is built on exactly this: 3 minutes a day to send a personalised Gift Story to someone who matters. A tree is planted in their name in Tanzania. You send the message. They receive something beautiful. You feel the effect of intentional giving on a daily basis. Over 30 days, it builds. ForestNation offers a happiness guarantee, if you don’t feel the positive shift, you get your money back. forestnation.com/the-happiness-habit.
Protect your sleep. Sleep deprivation reduces emotional regulation, increases reactivity, and makes everything worse. Not glamorous advice, but it consistently outperforms more complex interventions on basic wellbeing metrics.
Move your body. Exercise produces mood effects comparable to antidepressants for mild to moderate depression. Thirty minutes of walking has measurable effects on anxiety and stress. It doesn’t need to be more complicated than that.
Reduce passive consumption, increase active engagement. Scrolling social media tends to reduce wellbeing. Creating something, connecting with someone, or moving your body tends to increase it. The shift from passive to active, in any domain, is one of the most reliable mood adjustments available.
Spend time in nature. Research consistently shows that time in natural environments reduces cortisol, lowers heart rate, and improves mood. Even urban green space has measurable effects. This is not a supplement to the other habits, it is a foundation that makes the others easier.
Habits That Are Overrated
More money above a comfort threshold. Income affects wellbeing strongly below a certain point, when basic needs and security are not met, more money helps significantly. Above that threshold, the relationship flattens. The marginal unit of additional income produces less wellbeing than people predict.
Achievement without relationships. People consistently overestimate how much achieving their goals will improve their happiness, and underestimate how quickly they adapt. Goals worth pursuing are worth pursuing, but the assumption that achieving them will produce lasting happiness rarely holds. The relationships built in pursuit of the goal often matter more.
Happiness as a destination. Wellbeing is not a state you reach. It is an ongoing practice. The research on “hedonic adaptation” shows that we return to a baseline happiness level after positive events relatively quickly. What sustains happiness is not reaching a particular life circumstance but engaging in habits that continuously feed the right inputs: connection, meaning, purpose, contribution.
The Happiness Habit, A Daily Practice Built on This Science
ForestNation’s Happiness Habit is a 30-day programme built around the science of giving and intentional connection. Each day, you send one ForestNation Gift Story to someone who matters, a personalised digital message that plants trees in their name in Tanzania. Takes 3 minutes. Your Forest Profile tracks the cumulative impact. After 30 days, 30 trees in the names of 30 people who mean something to you.
The product is built on a simple and well-evidenced loop: giving releases dopamine and serotonin, deepens your social connections (the strongest predictor of long-term happiness), and creates a daily sense of purpose. ForestNation is confident enough in the effect to offer a full refund if you don’t feel happier. $30/month. Annual plan at $20/month.
forestnation.com/the-happiness-habit. See also: acts of kindness ideas | how to strengthen relationships.
Research and References
- Waldinger, R., and Schulz, M. The Good Life (2023). Based on the Harvard Study of Adult Development, the longest-running study on happiness and ageing.
- Dunn, E., Aknin, L., and Norton, M. (2008). Spending money on others promotes happiness. Science, 319(5870).
- Lyubomirsky, S., Sheldon, K.M., and Schkade, D. (2005). Pursuing happiness: The architecture of sustainable change. Review of General Psychology.
- ForestNation Happiness Habit: 30-day daily giving practice, trees planted in Tanzania, happiness guaranteed. forestnation.com/the-happiness-habit/
Frequently Asked Questions
What actually makes people happier?
The research consistently points to three things: close relationships, a sense of meaning and purpose, and habits that shift attention outward. Acts of intentional giving, gratitude practices, and regular connection with people who matter are among the most reliably effective interventions in positive psychology research.
What is the fastest way to feel happier?
Tell someone specific why they matter to you. Send a message that names something true about them. The act of intentional giving produces an almost immediate mood effect, and the relationship benefit compounds over time. For a daily practice built on this: forestnation.com/the-happiness-habit.
Does helping others make you happier?
Yes, consistently. Studies show spending money on others produces more happiness than spending it on yourself. Volunteer work, acts of kindness, and regular giving all produce measurable increases in wellbeing for the giver. The effect is stronger with consistent practice than with one-off gestures.
How long does it take to become happier?
Research on positive psychology interventions shows measurable effects within 4-6 weeks of consistent practice. The ForestNation Happiness Habit is built on a 30-day programme for exactly this reason, long enough to feel the compound effect of a daily giving practice. Happiness guaranteed or your money back. forestnation.com/the-happiness-habit.
