Either obesity or starvation... depends on the diet.
It is most often the left side that can go numb or even be immobile
The organs that secrete fluids that act on the vagina is : Bulbourethral Gland
This organs create lubricating fluid during penis insertion into Vagina so it would prevent the damage within Vagina's wall
hope this helps
<span>safe, because it stretches the muscle and joint without causing pain</span>