Pilots and ageing has been done to death, so to speak, elsewhere in Pprune.
All the usual arguments about getting a life outside aviation and moving over for the young pups, to pissing them off by holding out, to why it will cause erectile dysfunction if you either a) give it up, or b) persist with flying - depending on which side you are on.
I am not as good as I once was, but I am as good once as I always was.