i've always thought -- and i have no idea why i've thought it in such detail, as i've never been particularly interested in werewolves or lycanthropy -- that, the transformation is generally a very gradual thing. windowless room = long, drawn out, painful transformation, but bathing in direct moonlight is like sticking a fork in an outlet.

and harry's sudden attachment to sirius just made me nervous. maybe harry felt guilty for thinking such horrible things about him, and was subconsciously overcompensating?