[ Caleb opens the bottle and squirts a generous bit in one hand and hands it off to Frank. ]

So are you, Castle. Start with one finger, then two. Then three. Just to be safe.

[ He rubs his fingers along his palm to spread the lube before he's reaching down to rub it on the other man's sex. He bites down on his bottom lip slightly, ]

Jesus. I'm gonna feel you for days...