Is it just me or has Aizen lost the Hogyoku's ability of healing him? I know it was fulfilling his heart's desire (which was to heal him) but he didn't heal himself after Yoruichi's attack. Also, he could have just wished away Urahara's Bakudos but didn't. So maybe Aizen's losing control of the Hogyoku.
Anyways, since everyone seems to be discussing about it, I decided to put together this blog for speculations on Aizen's transformation.
Comments are welcome, spoilers and crap are not. Cheers.