The message being sent is that the man or boy is a human being, guided by human nature.
It can be summed up in a single statement:
if you hang a target, someone will shoot at it.
This is human nature. You can blame the shooter (starer), however if no target was visible, the shooter (starer) would have nothing to shoot (stare) at.
Consider that there are at least two sides to every situation.
Either he is sending a subtle message that he wants to partake in a staring contest, or that you have something disgusting on his face that he cannot take his eye off of.
He stops and stares, its like something taking over,
He really likes you talk to him
He really likes you! Its obvious!
Then he probably likes her.
he stares at your chest :p
The answer really stares you in the face it is internal fertilisation.
he likes u He likes you or is thinking really hard
It means he REALLY likes you.
He stares at ur boobs
He is really into you, and not your body so much.
he may like u. talk to him about it.