I leave you the best phrases of gratitude to thank friends, family, brothers, spouses, boyfriends, grandparents and in general any type of person. Feeling grateful is always important to feel good about yourself and of course for the other person. You will build better relationships and also feel more happiness.
When you feel grateful you cannot feel sad, anxious or depressed at the same time, and it is therefore a way to find your inner peace and tranquility.
You may also be interested in these quotes from the united family.