Find a passion to get involved with, ideally with a hands-on element to it.
Maintain and seek out ties with a wide group of friends — long-term ones, new ones, and people of all ages. Surround yourself with people who are happy and doing meaningful things.
Don’t put off doing the things that require good health. I hope to do a lot more travel, with some international bucket list items. But when I get to the point I can no longer do these things, I won’t feel cheated because I made them a priority over the years.
And finally, play from the senior tees!