The Beatles song:
'When I get older, losing my hair, many years from now ... will you still need me, will you still feed me, when I'm sixty-four?'
I ponder now whether PicoMicroYacht will be still out there, shall I say, not 64 but 74?
A cousin is still rowing competitively, having started nearly 60 years ago. The photo below is him winning on that famous old rowing course on the Thames, at aged 71 years, so it is possible.