My God. If you are partners then I don't see a problem. If you are both adults, don't they have sex, or do they find the whole thing degrading and dirt?
I worked in mental health for 30 years so this is normal human behaviour.
Written by Jonathan Townend, RMN - Editor - Friend of Medium
Psychiatric Nurse Writer. Owner of Creative Passions, The Shortform, No Shame, World of Fiction publications, and co-editor for The Chocolate River.