The fact that the alternate would say that is proof enough that the two of them are getting along just fine. Steve's honestly relieved. If they hadn't hit it off, it could have gotten ugly.

It makes him wonder how he would get along with the other him, but so far Wonderland hasn't been interested in finding that out.

"I just wanted a change of pace," Steve says, shrugging one shoulder. "Swimming works out more muscles than jogging, and it's refreshing." Besides, if he can manage it without thinking of sinking into the Potomac, then he can pretend that he's over that particular trauma.