With smiling believed to lower stress and even make women look younger (hurrah!), it's important to remember to sit back, take stock and remember the things that really matter - i.e. the good times.
To celebrate National Feel Good Day we asked readers to tell us the kindest thing someone has done for them recently.
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From being made breakfast to having a friend look after them in their hour of need, the responses touched our hearts and made us let out a massive "aww".
Do these anecdotes make you feel good?
What's the nicest thing that someone has done for you lately? Let us know in the comments below, tweet us @HuffPoLifestyle, tell us on Facebook, or email uklifestyle@huffingtonpost.com