Here's an interesting thought: If Jill were to grow a bit more of a spine and tell Tybalt to back off and she wasn't interested in him, would he kick her out of the Prep mansion?
We already saw how he didn't have much regard for the "purebred" Rusty Burgmeister, but that's likely because he saw him as a threat whereas he sees Jill as a conquest he can win over, but if she absolutely chewed him out and basically told him to get lost (although I'm sure she wouldn't say it like that), I wonder if he would kick her out of the Prep mansion or if he would even have the authority to do that?