Many women do more than that when they're alone with themselves. But the contrived rules do not allow them to relax with a partner. It is not without reason they say, that a smart woman has it in her head, a fool has it in her mouth. I even know men who categorically reject such liberties.
A brunette girl with a good type of figure (not bony, not fat, which is exactly what you need), a beautiful face and such weak moral principles, since she is ready to sleep with a stranger at the first meeting.