Murray: I'll fix it.
Erica: Fix it how? How is he moving so fast on a bad foot?
Beverly: Your father's been activated. It's a combo of aggravation, frustration, and rage so powerful it makes him the most determined man on the planet.
Pops: Look at him go!
Erica: How is he across the quad already? Is he climbing stairs? He's climbing stairs two at a time, and without a rail.
Beverly: Even stairs can't stop him when he's activated.