I'm falling apart

I've said it for many years now, but I can't fish the day that I ask my guests to fish. I've settled into the idea that tennis elbow will always plague me. My shoulders will get sore from rowing. The first few days on the sticks makes my lower back a little spicy. These days tho I am having aches and pains in strange places caused by seemingly regular fishing scenarios. Like the back of my left hand halfway between my knuckle and my wrist or in the joints on the outside of my right foot? What is wrong with me? I am getting soft. I am ageing and it scares the shit out of me. My mind wants to fire another 150 reps of river right double spey, but my body cries for a break instead. I'm a couple days into the only week that I can fish one of my favourite seasons and I feel like a bag of bolts. This hand thing is brutal and it may be a deal breaker.