Much like Jack, Four has mostly turned to exploration. True, things have changed more than a bit since he last remembers being in Asgard (and that'd perhaps strike him as a little odd, if he bothered to compare the time that seems to have passed here with the time he actively remembered passing.) But he's always been more than willing to explore and there's certainly enough to keep him busy for a while.

He's in a good mood, too, which is probably why he doesn't so much as bat an eye at Jack's comment.

"I'd much rather keep my scarf, if it's all the same. It's one-of-a-kind, you see."