Burglars, know who you're messing with
When you're a burglar, it pays to be in shape. I've never burgled anyone, but I'm basing that first line on the would-be burglar who tried to rob a house in Florida.
The homeowner came home while he was there, and then she caught up with him as he ran away. Turns out the homeowner is a marathon runner with a black belt in karate who also knows kickboxing.
So she can run you down, and when you try to climb a fence ...