Personality Development
The Science of Happiness: 5 Daily Habits That Can Change Your Life
Psychologist Dr. Mark Travers shares five science-backed habits that research shows can improve happiness, health, and overall quality of life.
- Shira Priant
- | Updated

Everyone wants to be happy, but where do we actually find lasting happiness? Is it in buying something new, earning a promotion, or moving into a bigger home? According to an article recently published in Psychology Today, lasting happiness comes less from major life events and more from the small habits, daily choices, and supportive environment we create for ourselves.
Ready to improve your quality of life? Psychologist Dr. Mark Travers highlights five science-backed habits that can help build a happier life.
1. Invest in Relationships: They're Essential for Health
The Harvard Study of Adult Development, one of the longest-running studies ever conducted, has followed participants for more than 80 years. Its conclusion is striking: the quality of your relationships is one of the strongest predictors of happiness, physical health, and even cognitive function, more influential than wealth, career success, or IQ.
Today, researchers view "social fitness" as a health habit, just like getting enough sleep or exercising regularly. Like any healthy habit, it requires ongoing attention and effort.
Why does it matter so much? Research suggests that chronic loneliness carries health risks comparable to smoking 15 cigarettes a day. Additional studies have found that prolonged loneliness can contribute to inflammation in the body and increase the risk of disease.
Human connection isn't just emotionally fulfilling; we're biologically wired for it. Rather than treating time with family and friends as something to fit in when convenient, experts recommend making it a priority.
The expert's tip: Schedule quality time with a close friend or family member just as you would an important meeting or doctor's appointment. Even a brief phone call can strengthen your relationships.
2. Protect Your Time: It's More Valuable Than Money
Behavioral scientists have identified "time poverty," the constant feeling of being rushed and overwhelmed, as one of the biggest obstacles to happiness.
Harvard Business School researcher Ashley Whillans found that people who consistently feel short on time report lower life satisfaction and poorer mental well-being.
The good news is that this can change. Studies show that people who occasionally use money to "buy back" time, by outsourcing household chores, paying for convenience, or saying no to unnecessary commitments, often report greater happiness than those who spend that money on material possessions.
The next time you're weighing a financial or career decision, don't just ask, "How much will this cost?" Also ask, "How much time and freedom will it cost me?"
The expert's tip: Before saying yes to a new project or commitment, pause and ask whether it will enrich your life or simply leave you with less time. If you can reasonably pay someone else to handle a stressful, time-consuming task, it may be money well spent.
3. Choose Challenge Over Comfort
Many people assume a good life is simply a happy or meaningful one. But a groundbreaking 2022 study introduced a third ingredient: psychological richness.
A psychologically rich life includes novelty, growth, complexity, and experiences that change the way we think. Traveling somewhere unfamiliar, learning a difficult skill, or taking on a challenging project may not always feel comfortable, but these experiences often become our most meaningful memories.
People who constantly seek comfort may find that their experiences begin to blur together. Those who embrace new challenges tend to build richer, more memorable lives.
The expert's tip: Once each month, try something that stretches you beyond your comfort zone. It doesn't have to be dramatic, just something new that broadens your perspective.
4. Give to Others
A large 2023 review of studies from around the world found that giving time or money to others consistently improves mood and overall life satisfaction, regardless of income or culture.
Whether it's donating to charity, volunteering, or simply helping a friend, acts of generosity activate the brain's reward system, strengthen relationships, and create a lasting sense of purpose.
We aren't wired only to receive; we're also wired to give.
The expert's tip: Build regular acts of generosity into your routine. Even small, consistent acts of kindness can have a meaningful impact on your happiness.
5. Spend Two Hours a Week in Nature
A major 2019 study involving nearly 20,000 people found that those who spent at least 120 minutes each week in nature reported significantly better physical and mental health than those who spent less time outdoors.
Time in nature helps reduce stress, quiet racing thoughts, and restore mental energy drained by everyday life.
The expert's tip: Treat 120 minutes in nature as an essential part of your weekly routine, just like sleep or exercise. If you can't fit in a long hike, break it into shorter walks in a nearby park, along a beach or promenade, or in a local green space.
Small Habits, Big Results
Lasting happiness rarely comes from one life-changing moment. More often, it grows through the choices we make every day: nurturing our relationships, protecting our time, embracing new experiences, helping others, and making room for nature. Small habits practiced consistently can have a powerful effect on both our well-being and our quality of life.

