Zach didn't feel bad if he hurt someone's feelings. They didn't matter. Hell if it even mattered to them. If they were on the potion, their feelings were being regulated or controlled or something anyway. So what did he care. Zach knew Colin was a better person than him. He hadn't been wrong about that. Colin didn't swear, thought such innocent things were bad words. Zach didn't feel bad about swearing, even in front of him. But really, they were...it was easy to tell who was the good one.
So Colin could punish him? Zach nearly laughed at the idea. While he was certain he would enjoy it, he couldn't imagine Colin doing anything close to flogging him. His boyfriend seemed more likely to apologize for being rough. Not that they'd...
"You don't have to apologize for being you," Zach pointed out, "I can be an ass. I know it." He didn't want to be one to Colin, but he hadn't exactly been...nice. It was harder to think about those things with Colin so close though.