When Ethan Hawke turned 40 a few years ago, he did a couple of things. "One is I got my motorcycle license," Hawke says, splayed out in the corner booth of a Manhattan cafe. "I had it before, but I got it again. But when I went to buy a bike, the guy said, 'You have four kids? I'd wait till the youngest graduates from high school.' And I thought, 'You know what? That's a really good idea.'" 30 Best Music Biopics of All Time " The other thing Hawke did was start working a lot.