Their differences are sometimes extreme, but in the important ways they're starting to understand each other. And differences can be fun. It'll keep the friendship exciting.

Yes, of course, she follows him through the ship, arms folded with one thumb absently rubbing the inside of her elbow. She's not sure what the engines are going to look like, so, safer not to touch anything.

"So what's the difference between the engines and the hyperdrive?"