"I know how you get," Tony agreed with a smile that was somehow smug, like he was dead interested in it, in the way Steve got a little jealous and possessive for the silliest reasons. It was cute, really. Because they both knew that Tony was loyal to the last, practically to a fault.
The arc reactor was bright in the dark, and slightly dulled by the light, although still reflected oddly off of the bathroom mirror, but Tony was more focused on Steve, on the reflection of him there. "Reason we're doing this in the bathroom?" He asked, only vaguely curious.