Go in when you are ovulating and you will have the baby of a complete stranger to celebrate the event and to love the rest of your life. When you offspring want to know who daddy is take them there and explain he came in here while mommy was on display and gave you him or her. You could even show them how it happened by taking them inside with you to see you do you thing.
If you were the one assigned to clean up after each fuck, would you fluff cock for her sucking men who are waiting their turn to get and keep them hard for their turn in her pussy or ass?