This would be the moment Pepper appears lingering in the doorway, looking slightly guilty and lonely in her pajamas.

“Tony? I couldn’t—“

Oh. Well that’s – an interesting sight to see. Pepper stands there, slightly confused and uncertain as to how to proceed. “I’m sorry. Am I interrupting?”

What is she interrupting is a better question. And Bruce is – touching Tony, her boyfriend, when Pepper herself hasn’t in some time. She’s…jealous.