[huh.] Funny you should mention. He made a point about not being perfect. But that doesn't mean he shouldn't be able to take a joke.
[shrugging again.] He also made a point about that, uh, discussion we had on the helicarrier. You know, where he said I wasn't worthy of being on the team and I said he was a useless relic. [Tony grins, his tone singsong as if he were detailing a lighthearted event] Good times, right?
But I don't see why this has to come up now. If it's really been eating him all this time, then maybe he needs to get in on your yoga thing.