One study found that one can experience increased feelings of wellbeing for a long time after sending a thank-you note. Both to the sender and the recipient, there are benefits of being grateful.
It has been demonstrated from research that gratitude holds a lot of psychological benefits. For example, it:
Some psychologists recommend keeping a gratitude journal.
Learn more about gratitude journals in the link below:
https://brainly.com/question/13428839