he can with her. so, if a guy at work always pays attention to where you go, he will probably follow you and start a chat with you.
he will try to be fun to talk to, so you spend more time with him. he simply enjoys being in your company, so don’t act surprised if he invites you to spend the lunch break together.
guys often can’t control when they are staring at someone. they simply do that, not thinking if you will notice it and what you will think about it.
so, if you see a guy at work staring at you, it is an obvious sign that he likes you. 