" We sat like that for a long time, until a discrete knock at the half-open door broke us apart. Lissa stood in the doorway.
"Sorry," she said, her face shining with joy when she saw me. "Should have put a sock on the door. Didn't realize that things were getting hot and heavy."
"No avoiding it," I said lightly, clasping Dimitri's hand. "Things are always hot with him around."
Dimitri looked scandalized. He'd never held back when we were in bed together, but his private nature wouldn't let him even hint about such matters and others. It was mean, but I laughed and kissed his cheek.
"Oh, this is going to be fun," I said. "Now that everything's out in the open."
"Yeah," he said. "I got a pretty 'fun' look from your father the other day. "

― Richelle Mead , Last Sacrifice (Vampire Academy, #6)