Laura laughed, more awkward now that the conversation was partly on her as well, and shook her head.
"I have my slave, I'm happy enough with her, no need to build up any stamina, I assure you." She said, before turning her attention back to Derek, thankfully - she shouldn't take enjoyment in her brother being put in awkward positions, but nevertheless, she was his big sister, and that gave her some right to. Seeing his ears were red though, she smiled gently, and rubbed his back.