Question: what does it mean when a guy stares at you in the eyes?
Answer: However, eye contact from a guy is a big sign that he's into you. Obviously, if he's looking over and frowning or shouting in your direction it's not flirting. But the general rule of thumb is he's flirting and wants you to flirt back. If you're in a conversation with him watch how he reacts to the things you say.