Twice:
Lost my Pokémon Team Ratings position due to my inactivity that was caused by a mass amount of Diamond and Pearl team threads.
Lost my Music position due to inactivity that was caused by my useless computer p!ssing up. My parents took forever to send it off to get fixed and the company we sent it to didn't bother to ring us up to tell us it was fixed, and my parents took ages to actually figure out they weren't going to call. I had the option of getting this position back if I wanted to but I didn't take up on the offer because I thought the Music forum didn't need four Moderators anyway. But despite my very considerate brilliant attitude, sense, maturity and wisdom, as of yesterday there are about eight or nine Moderators there.
I can't be bothered to apply anywhere else, even if I wouldn't mind a peek in the Staff Forum now and then.
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