you will not like this...

But she is right, the amount of tip should be based on the quality of her work and not on her looks.

Shouldn't take "pervert" literally though, seems like she is trying to make something very clear to you.

She understands and accepts you for who and what you are, she takes you very seriously and can't accept behavior like this from you.

Marry her, this is the right one.
(only if she is shapely and has a great body, of course..)