"Oof, that's blood pressure language, sweetheart," Tony observed, but only just before he cracked and snorted, completely delighted by what really was an easy guess but he could only hope they went there. For Tony's part, what he seemed to actually be drawing was a nice, thick brain, the lines short and disjointed with his giggling. Tony could shut it off as quickly as it escaped out of him, turning very earnestly to Bruce to smooth down the hair on the back of his neck and say, "Don't lump us all together like that. I'd sleep with any part of you."