Take a look at this experiment, participants are asked to write a letter to whom they want to thank for. Then the participants are made to call them and this is what happen.
You’ll never know how significant the effect of expressing gratitude is until you really do so.
“Gratitude is a kind of meta-strategy for achieving happiness. It is wonder; it is appreciation; it is looking on the bright side of a setback; it is fathoming abundance; it is thanking someone in your life; it is thanking God; it is ‘counting blessings.’ It is savoring; it is not taking things for granted; it is coping; it is present-oriented.” – Sonja Lyubomirsky, author of The How of Happiness
If you’re feeling down at the moment, try to express gratitude and you may find yourself happier. If you don’t know how, read this: Gratitude Leads to Happiness: Here’s How.