Biggest mistake I’ve ever made? Kissing my best friend.I’ve never been a relationship guy. Sure, I have Ellie—my best friend since middle school who’s been by my side through the good and the very bad—but with girls who aren’t Ellie? One date is enough.Then when I get back from boot camp, one kiss changes everything. But also, nothing’s changed. Ellie still wants to settle down with a picket fence and kids, and she knows I don’t.And now there’s heat...