It probably means that he/she is thinking of the happy times you've had together.
i think it means that he either is regretting what he done or he is trying not to show you he likes you!! Or he is very hostile towards you...
he is liking you
It could mean that he is interested in you or finds you attractive, but it could also mean that he is simply forgetful or lost in thought. It's best to observe his overall behavior and body language to get a better sense of his intentions.
a lot of the time that means that your ex still has feelings for you!!
He is interested. Just shy. Meet him half way, go talk with him, break the ice.
he likes you.
It could mean he wants to smile but is afraid to. It could mean he doesn't notice you and is looking at something behind you. It could mean he is trying to figure out whether you are someone he knows or not. you would find out more by asking him why.
It could mean that he just wants to be friends or hes scared.
Just Give Them A Friendly Smile :)
It could mean that he finds your smile captivating or attractive, and is perhaps drawn to your lips as a focal point of your expression. However, it's important to remember that body language interpretations can vary, so it's best to communicate directly with the person to understand their intentions.
He likes you. (that doesn't mean you have to like him back)Welll it could mean a range of things.He likes you.He is checking you out.Or he wasn't looking at you, but staring blankly in your direction.If he stares at you again, smile and maybe wink if you are confident enough.
it means he still likes you and he want you back in his life but he is afraid