deleted his YM and his number. Yes, HIS. Just yesterday. ^^
I dunno. Err, Do you memorize his number and/or YM? XD
Haha, number? No. YM? Er, I'll only forget that if I fell victim to amnesia and had completely erased his name from my memory bank. O:
Hahaha. I know how you feel. Even if I delete someones YM or something, it'll still be stuck in my head for.. a while. O_O