Had the exact same epiphany about riding/yoga/lifting. I was always pushing to do more, do it better, do it on a schedule, blah blah. It finally dawned on me that this was turning into a JOB.

My main fear was that I'd just stop doing everything, my arthritis would take over & I'd spend my next 50 years sitting in a chair b*tching like my grandmother (I loved her but she was difficult at times.) Here's the interesting part - my "training" (like, what am I training for? A good looking corpse?) hasn't deteriorated one bit, but I'm liking it a lot better! Sometimes I swear that my brain is not my friend.