If you're interested in reading more on this topic, here's a litterature list with some of the titles that have been great inspiration for me:
- "Positivity" by Barbara Fredrickson
- "Happy for no Reason" by Marci Shimoff
- "Happier" by Tal Ben-Shahar
- "An Invitation to Positive Psychology - Knowledge and tools for professionals" by Robert Biswas-Diener
- "The How of Happiness - A Practical Guide to Getting the Life You Want" by Sonja Lyubomirsky
- "Raising Happiness" by Christine Carter
- "Learned Optimism", "The Optimistic Child" and "Flourish" by Martin E.P. Seligman