I have yet to see an old farmer couldnt pick up his load
country living keeps one fit and strong. Daily heavy work is key, lift up stuff carry it around drop it there etc. I unload 2 ton of feed in bags weigh 80 lbs by myself, saturday went up on the barn roof to replace broken sky lites, saved 500 insur money doing it myself, roof and siding on house is next.
Physical work is good for ya, not as much is done these days as in older times. Cut up a tree went over next I will split it up by hand....
Get out and do some work, or come over and lend me a hand