Sylvester Stallone talks to Yahoo about Tulsa King, retirement and the legacy he hopes to leave behind. (Photo illustration: Liliana Penagos for Yahoo News; photo: Kristina Bumphrey/Variety via Getty Images)You'd think that at 79, Sylvester Stallone may be ready to call it quits. But bring up retirement with the actor, and it's clear there's still plenty of fight left in him."Forget it," he tells Yahoo. "Because I don't know the concept of retiring. I thought I did. Wouldn't it be great to mow your lawn every day and chase bees off the roses or whatever you do? And I go, 'No.