ok, i went to a dance last night and i met this boy. we danced and then he asked me for my sn and i gave it to him and he even bought me a drink which was cute. and he is really good friends with one of my friends. so tonight he imed me during study hall and we were talking till he had to go to finish his english paper. but its been like atleast an hour and a half. should i IM him again, or should i wait till tomorrow. or should i just not IM him ever untill he IMs me first?