Zach had taught himself how to use everything of his. And before Tracey Zach hadn't had the opportunity to use any of it, but he still knew how and had practiced enough to be able to do so aptly in the bedroom even the first time he had tried different things. Oh he was quite fine with laughing during sex when something went wrong, but that didn't mean he wasn't going to master everything he could.
"If you really want to, I'm sure you'll master it," Zach replied, "If there's anything you want to learn from me you can't or aren't from Morag, just let me know." Even if it was something they both didn't know, he was good at learning things and open minded about what.