If there was one thing Killian was used to, it was moody teenagers - he'd had Baelfire with him for awhile, during a time where children on pirate ships was highly frowned upon (but he'd been the Captain, so he did what he liked). Perhaps at first it was only to pry information from the lad about the Dark One, but he'd really grown to care for him over time. For a man who fresh, dark chocolate lies and storms, he wasn't too awful with the child rearing.
Though that situation with Baelfire hadn't turned out well, and Killian knew it was his fault. It had gone much better with Henry, but anyway. Point was, he was more equipped to handle teenage temper bursts these days.
"I assure you, love, you won't be living alone with fifty cats. Maybe still thinking you're smarter than everyone around you, but that's probably a Sabrina trait," he teased, accent curling around the words. "However, I like the Sabrina traits and you'll have your pick of others who do too. I think these cookies should be all set?"
He glanced toward the oven. "Or they will be, in a few minutes."