"There were a few points you could've shut up." He nudges himself sideways, just enough to bump his shoulder into Zerxus. "But it was all useful information for me, and probably isn't worth an apology."

Is he that level internally? No. Is Steve used to more or less keeping a lid on himself? Yeah. Not necessarily on his desire to punch actual evil, no, but overall? Yeah. Benefits of the serum.

And, you know, Captain America and leadership and the time period he was raised in and the army and war and-. Can't go around showing weakness.