Nate could think of some disturbing ways they could get sperm, but he didn't like to think them so he took the change in subject. He leaned into Luag's touch. A faint frown. "I wasn't joking, Luag. Mum knew a couple--models--when one of them retired, she went and picked out sperm from a bloke who was supposed to be brilliant and they had a baby together. Devoted mums to a beautiful, intelligent little girl."