Yea... more Portal 2 stuff. Be warned, there are blatant, blatant spoilers in this post. So... you've been warned.
I'm sure going through the stages of depression while floating in space for eternity, he'd sit in a huff in the anger stage for quite a while...
Oh to have random encounters between these two, post-Chell's departure. Wheatly would totally be a bit of a snot, making random bird calls when it's least expected. This of course would scare the pants right off GLaDOS. (Can you blame her?)
Oh, and the bit where he's yelling about not being a moron? Heartbreaking.