Guilty of 2, 3, 6, 8, 9, 11...oh forget it. Guilty of 22/41
As for 16 (One of the 22) - Dubs are the devil, but mainly those by 4Kids. ('Cause we all know they're trigger happy with that edit button!)
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42 - You draw fanart, even if you say you have no art skills whatsoever
43 - You devise ways to cosplay favorite characters with as close to complete accuracy as possible, wanting to outdo most of the others doing that costume
44 - You know you're obsessed with a series when you go into a bookstore looking for it, and don't want to buy anything if it's not there
45 - For the wig wearers: You make character-specific faces on your wig heads and only use it for that one character's wig(s)
46 - You can look at anything and figure out a way to incorporate it in your cosplay
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I'm guilty of mostly 43, 44, and 46 - for me, it was a cardboard tube.