Meaning of a long intense stare....?

Its well known that if a man looks at you a lot he likes you. But what is the chance that a long glance can mean something else? Like compassion, pity, empathy? Guys, would you ever look someone deep in the eyes for a long time because you feel sorrow for her? Or another emotion? Or is it only reserved for interest?

Meaning of a long intense stare....?
Post Opinion