[ Jesse's look of bemusement doesn't last long, softening a little with a dash of silent I told you so eyebrow arch to give it some spice. Usually he's the one pushing himself too far while injured, so he knows this situation well. ]

Old and wise, that's me.

[ He puts a hand out on her shoulder to steady her, not moving an inch to allow her to slip by. ]

Wise enough to know you're gonna regret it if you do that down every single one of these stairs.