His buttons were pushed long before the insults started flying. But Jemma was absolutely right earlier. The doctor knows far more fear than the man who would be her fiancee. And right now, given everything he's been through recently, he's terrified. None of the fear reaches his mask of a face, though.

"You will keep your distance from me. Go find your other operatives and revel in your victories." She must have something else to do with her time aside from trying to force him to question his sanity.