Fix body language - What are some body language signs a guy is in love with you or likes you a lot?

What are some body language signs a guy is in love with you or likes you a lot?

Say a shy guy was in love with you or he liked you a lot. What are some of the things he may do that kind of give away his feelings? thanks (:

Sits inside your space, Mirrors your position while sitting with leg towards you, Looks into your eyes with dilated pupils, Checks you out, moving his eyes from yours to your mouth and back, Blocks your escape by putting an arm on the wall you are leaning against, GL>