Most Helpful Guy
Yes he is interested... and he is probably playing it cool (a pull technique) ... bottom line don't be overly attached / obsessive (easier said than done)
Most Helpful Girl
Yes and no. If a guy is dying to talk to you, he'll find the time. But in this world of online friendships and such, you meet a bazillion new people all the time, and you can't put the rest of your life on hold for everyone you meet.