She never took her eyes off him as he slept, compulsively cleaning her guns. It was as much to give herself something to do in the silence as it was to quell her unease every time Bruce groaned or flinched in his sleep. She had to remind herself the Hulk didn't attack her when she showed up on the island; that he hadn't attacked her their last few missions, even though he could have. Banner had a handle on the Other Guy, even if he didn't acknowledge it.

Didn't make it any less frightening in close quarters over open sea.

Natasha was still staring when Bruce finally came round, chin in her hands, eyes lidded. Like she could see through him, see what was going on in his dreams and keep the darkest parts at bay.

"Have you ever considered sleeping aids?"