It depends on a lot of factors - some of which are in your control, and some of which ain't. In my case, very few men on my dad's side of the family lived past

It depends on a lot of factors - some of which are in your control, and some of which ain't. In my case, very few men on my dad's side of the family lived past 60 (and my dad only made it to 54), so in all likelihood my life is indeed already half done.