As no doubt you know, happiness is complicated – there are details that get skimmed over in my blog posts. Here, I give you the full, messy details.
Across a dozen pages on HappierHuman, I've collected and summarized research, on topics ranging from the Losada Ratio to Gratitude. Below are the most useful of those pages:
Self-Control (human readable)
Grit (human readable)
Positivity/Losada Ratio (human readable)
Exercise and Happiness (omega readable)