Stark spent a lot of time with Thor, being a kitten again - very temporarily! - would enable watching him under the excuse of keeping Stark company. And kittens were... less complicated. It could be restful, which was a good thing; the past ten years of his life was proof enough that Loki made very bad decisions under stress.

The simple fact that he’d been able to come up with multiple reasons to go along with the idea, too, probably meant that he did in fact want to do it.

Outwardly, Loki just shrugged a fine, crazy idiot sort of shrug, set the remainder of the food down, and changed back to the black-furred, green-eyed kitten Tony had known for two weeks,