What do these signs mean from a boy?

Ok..I realyy like this guy and today I was walkin in the cafeteria and I glanced @ him and we made eye contact for about 4 seconds.. Then outside I was hangin out with my older friends so he came over and started tlkin to us and about every day when I'm in the lunch line he comes and gets extra food he's always sure I see him or notice..pls answer :)