Too bad, Ritsuka cares too much, you're stuck with her fussing first. Water parks can come after!

"Well yeah, if it wasn't just you, then it'd probably be something else, but..."

Boy, she needs to gather her thoughts quick so that she's not just rambling.

"Servants need magical energy to exist, but also something to anchor them to the world. With everything in the spirit vein lately there might be enough magical energy here that you'd be fine with just that, but it's possible you still need that anchor." Especially if he can't even leave his magic teapot. "For that, you can make a contract with a Master."