Many of us here are no spring chickens.

I was moved to hear the story of the owner of this boat:

http://www.boatsales.com.au/boats-for-sale/private/used/SSE-AD-4339796/1978-Compass-28/?cr=0&psq=(((((Service%3D[boatsales]%26BoatType%3D[Sail])%26Make%3D[COMPASS])%26State%3D[Queensland])%26Service%3D[Boatsale

In his senior years he sailed her up and down the Queensland coast:
When he got too old to sail her, he lived on board in a marina. He passed away recently.

To me this is a great way to spend your last years.