I always play when I'm stressed. Being at the arcade and in the middle of a song sweating like crazy just seems to make all my worries go away. It relaxes me, and makes everything a little clearer in my mind. I played today actually, and my mood is better dramatically. 
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AAAs - None yet
AAs - Holic x2, dark. (Heavy) (Machine only)
As - So Deep, unlimited
Bs-Es - Also..unlimited.