When do your reflexes slow down noticeably, anyway? Quinn's in his mid-40s here.
Wookieepedia (*adds grain of salt*) has average lifespan for humans at 100 years. With that being the average (assuming that the average accounted for poverty in the human species throughout the galaxy) I think decline would start much later than we'd expect in real life humans (world average 67.2 years).
Also, FIGHTERS PEW PEW <3 that last family sequence.