enjoy yourself: To enjoy yourself is to feel happy because of a situation or an event in which you took part
Verb: One can’t enjoy oneself if one is too tired.
find yourself: to realize that you are in a particular thing, when you did not intend to
Verb: If this is one of your pranks again, then you will find yourself in deep trouble, buster.
help yourself: to serve yourself something, usually food or drink, without waiting for permission or someone to do it for you
noun: One of the best ways to help yourself improve is to use a video camera to record your movements.