"Really? I had to spell it out to my dad. I pointed at a picture of you and then said 'future father of my children if all goes well' and he blinked, then I had to point out that future means after I'm officially Doctor Winchester." She blinked. "Doctor Wartooth." Then she burst into giggles, grinning a little. She was pretty sure Warteeth had been many things, but never medical professionals.
When she stopped giggling, she nodded. "Been sure for a while. Me giving you the key was sort of my way of asking without asking." She closed her eyes and grinned. "I'll teach you all the domestic stuff you never got at home, and you can keep me warm."