About half an hour later, two excited teenagers burst through the front door. Fortunately, Mark and I had just finished our fun and were coming down the stairs. “Oi, you’ll have the hinges off.” Mark had to shout above the noise they were making. “It’s great! I’m so happy I could burst,” Billy said. “I hope you’re not talking about your grandmother?” Mark asked. “No, of course not!” “Billy!” Both Mark and I said at the same time. Billy’s face fell. “I’m sorry. No, it isn’t Gran. You tell ’em, Sam.” “Billy’s parents know about us,” Sam said. “I mean, they know we’re boyfriends.” “And they’re all right about it?” I asked. Billy nodded. “As you know, we went round to get his stuff,” Sam said. “You know, so he could stay at my place. And his dad said Billy might as well stay with h