Most of the time, girls can decipher that so easily. They say, a woman's intuition is quite powerful and I believe that. [i]- Not making eye contact w/ you is one thing. - If you see him often (like a repeated coincidence) wherever you go.[/i] These could apply only if you don't know the guy, or if you don't know him well. If you know him quite well, I think there are different signs.