Do bonfires count as exercise?

This morning my swim was slightly shorter than normal. I've spent all day repairing the back fence with Keith, the man who lives behind us, and tonight I have really, really enjoyed a huge bonfire. I am exhausted. Keith took down a rotten shed a couple of weeks ago and kindly gave it to me to use a bonfire base material. It burns brilliantly. I was working like a maniac to keep the fire pit full of combustible material. I have burned almost all the dead wood we had from trimming the laurel and I've used about a third of Keith's old shed up. That means there is enough material for two more fires, Oh Joy!