I'm 55 my wife is 54, and both are retired. we've camped one to two weeks every month, April thru October. If it be the Lords will, we're gone to camp a lot more next year.
You ask about full timing, I say if your able, GO FOR IT !
2015 Jay Flight 23 RB
2014 Silverado LT 1500 with a 5.3 V8 Ecotec3