Listen to some music, go outside and feed the animals, have a talk with your family, small talk is good. Eat some chocolate. Get a stake. Go to a group meeting for fun. PLay some games. Make something productive. Relax. Imagine things that might entertain you. Search for comedy. Cry if you need to cry. Laugh when you need to laugh. And if it still does not help, there are people who can help you.