Well, many men are just born liars and this is equally true for women.
Women cheating has a bigger stigma and is more shameful and this fear leads to women cheating less on men.
Women are biologically supposed to lie as a counter to men's muscular advantage against each other.
Here's Why Men Cheat On Their Girlfriend/Wife
Talking about sex and relationships, biological and individual factors have led to a lot of unacceptable (but non-criminal) behaviour such as cheating in a relationship.
1.Born liars?
