I'll need to add to my reply here, doing mechanical things like maintenance or just plain tinkering, at times, has never felt like work to me. Even when I wrenched and assembled bikes part time in bicycle shops to make a little extra money it never felt like work, as said many times above. Blues Dawg best sums things up

, and besides, I am just a wrench head type. Bicycles, dirt bikes, cars, trucks, I just like to turn wrenches. Makes me feel like I can better understand things.
Bill