Ask her to Join
From Create Your Own Story
"You know, your welcome to rinse off in my shower if you like." you say suggestively.
"Oh really? You'd like that huh. I'm a little old to be showering with college boys." She says, clearly amusing the thought.
"You really should close that door, it's wrong to be flashing me your dick like that".
You know she would have left already if she wasn't thinking about it.