I like this guy and he is really outgoing and I'm shy.... ?

just be out there, i think one of the best ways to break out of your shell is by doing group things. Go bowling with friends or to the movies, but being in a group lets you get out more, and maybe have that guy you like in a group with you, so you can talk to him, or do things together, use a friend to help hook you up. Not only will it get you to be less shy, but you might get that guy too! And of course guys do. If guys get really close to you to know your personality, you wont be shy to them, and if he likes you by looks (which he shouldnt) he wont care if you're shy. Dont worry :) hope i helped :)