How does one find happiness?

In the movie 50/50, directed by Jonathan Levine. In the movie 50/50 theirs a guy named Adam his life starts off like any other. He has a girlfriend and that’s getting serious and goes to his job at the radio station everyday. Then all of a sudden he gets bad new he’s been diagnosed with cancer. His life halts to a stand still. Things that made him happy didn’t anymore; his life was passing by with him felling nothing at all. He breaks up with his girlfriend and falls in love with someone that makes him really happy and that he is truly in love with. He starts appreciating his mother more for all she’s done and is doing for him. He starts getting a better perspective on life. Humans can go though hard times and still put a smile on their face at the end of the day. THIS MOVIE SHOWS THAT WHEN GOING THOUGH OBSTACLES , IF YOU KEEP A POSITIVE MIND SET, IF YOU ACCEPT LOVE AND GIVE LOVE YOU CAN FIND JOY IN THE LITTLE THINGS.