"...I'm still not seeing why you're panicking. You've thought out the possible outcomes and are still willing to shoot for it. You could be great together." There's an understanding that comes with being othered he can and can't quite get. Parts of it, at least, and he knows pretty damn well the risks that come from trying to be one person's everything from both sides of that particular equation. F-, do not recommend, unfun. So if this works?

He'll...probably find it in himself to be glad for them. Bruce? Certainly. Natasha? It might mean letting her into his space more than he'd like but- compromise.

He could, would, compromise to keep Bruce happy.

"Go for it. Worst comes to worst stuff is a little awkward while you settle back into being friends." Because he's about 80 percent certain they could come out the otherside more or less intact. More to the more than the less if his math is anything to go by.