When life is topsey turvey, stand on your head. ….  LOL …. Okay, don’t.  … 
What is important, is to find your sense of humor, and laugh more, smile more, watch funny programs, think about happy things, and remember things that were funny in your life, and tell them to others, and laugh with them about it. 
You have to find your own joy and happiness, and you can do it right this minute. 
You are always responsible for how you feel, and what you project out into the world. You are the one who controls your thoughts, actions, and reactions.  
Learn how to control them in the right way, that makes your life a joy.