Because Revenging takes a lot of leg work.
Someone brings up the Initiative, the plane crash, or says "David Clark"
......10 forward lunges each side
Emily gives us a Croc
......15 forward leg lifts each side
We see a flashback or a double infinity
.....3x10 second wall sits
Jack refers to his son or Amanda
.....30 calf raises
Nolan gives us a cheesy one-liner or wears more than one shirt at a time
.....20 sumo squats
Victoria fake smiles or she sits on her "throne"
.....15 backward leg lifts each side
A photo gets a red "X" on it
.....50 jumping jacks