Yes, you are gettiing old. Sorry, it had to be said by someone.
While you are contributing the pain in your elbow to shooting, have you considered what the effects of pulling the lever on your reloader enough to make all those rounds that you shoot is doing? That repetitive motion can be a factor.
He is squeezing in all the fun he can before his body just gives out on him. Not real good at pacing himself.
My new plan is shoot often, shoot well, pop some Motrin, and die happy with dirty guns, as far as I know, as of right now there is no tax on spent brass!!!!!