This will make you feel good! Try it!
. ran really fast
. been on a plane
. climbed a very tall hill
. been in love
. made some music
. received a standing ovation
. became obsessed with a video game
. saw my favourite artist live
. got top marks and felt smug
What a great life, who could ask for more?
(in case you feel bad, these are all kind of small and basic things and some variation and quanity of these can be achieved by anybody)