Change is one fact that can happen at any time and can also be influenced by a lot of things. When a guy likes a girl he is capable of change most especially whenever he sees her around. He may be that talkative kind of guy but for you he will always want to be reserved.
Noticing a girl at all times is the behavior of a guy that likes a girl. The guy takes note of the girl at every move that she makes regardless of whether they are entertaining or not.
It is only normal that when a guy likes a girl he will want to always want to make eye contact with her at every opportunity that comes his way. Such actions are reflections of his inner feelings towards the girl.
This is one of the craziest parts when a girl likes a girl. The position he takes one while she is present is always best suited for him to spy her with or without her notice.
Wanting to be involved in everything that could gain her attention is a very similar habit among guys when they liking the opposite sex. They will want to get your attention either by dancing; telling jokes, singing or practically doing everything that can get you to notice their presence.
When he keeps drawing himself closer to you at every opportunity he gets is a good sign that he is really into you even thou he hasn’t say a word just about how he feels. He is probably wondering how to get to talk to you for the first time so he is staying close so that he could initiate a conversation very soon.
Guys can stare as if they have seen a ghost once they start liking the opposite sex. He is going to be staring at you even unconsciously.
Jealous in form of annoyance is another great sign to look out for if you want to know if he truly likes you. He starts getting jealous over seeing you with a different guy even when he hasn’t ask you out yet.