Question: what does it mean when a guy constantly stares at you and in the eyes?
Answer: Flirting. If we want someone to know that we're flirting with them, eye contact is very important. It's normally teamed with a flirtatious smile, too. ... Lots of guys will stare or glance your way in an attempt to catch your eye to figure out whether you might be interested in them before making their first move.