My long-time favorite is getting to the point, with whatever I'm working on, that I need something that's somewhere else, like the basement work bench. About then, one of three things happens:
1) I forget what I came after, and have to go back to whatever I was doing 'til I discover what I...
I've tried the conventional exercise routines any number of times in an effort to drop a few pounds; waste of time for me. I can't stay motivated long enough for jumping jacks, push-ups, & deep knee bends to do me any good. Swinging a hammer, running a circular saw, holding a heavy framing...
I love how the medical professionals are always trying to make someone, 'specially older someones, fit into a neat little box. If you're in a particular age group, they don't want you on ladders, or lifting anything substantial, or a dozen other dont's. Heck, I cut wood with a guy in his 80's...