I'm not sure why it's necessary for Greg to lurk outside. I mean, they couldn't invite him in?
Actually, knowing Greg, he probably insisted on it himself. I'm not sure what that reason would be, but I'm sure there's some logical explanation floating around in the mind of Greg as to why this was the best option for protecting Grace. Somewhere deeply, deeply hidden where even I cannot find it.
As for what Susan was up to, if this isn't evidence of how she quickly won me over, nothing is.
Commentary added October 14, 2014