From Paulo Coelho’s blog:
1) Thank someone
First thing in the morning, send an email thanking or praising someone. Research shows this can brighten your day.
2) Spend money — on someone else
Harvard professor Michael Norton, author of Happy Money: The Science of Smarter Spending, talks about this in this video
3) Give 5 hugs
In a one-of-a-kind study, students at Pennsylvania State University were assigned to two groups. The first group was instructed to give or recevie a minimum of five hugs per day over the course of four weeks and to record the details. The hugs had to be front-to-front (nonsexual) hugs, using both arms of both participants; however, the length and strength of hug, as well as the placement of hands, were left to their discretion. Furthermore, these students couldn’t simply huge their boyfriends or girlfriends half a dozen times; they had to aim to hug as many different individuals as possible. The second, the controls, was instructed simply to record the number of hours they read each day over the same four weeks.
People assigned to give or receive hugs 5 times a day ended up happier than the control group.
Continue reading the rest of the story on Paulo Coelho’s blog