This has changed over the last few decades with women entering the workplace and becoming more in touch with their own sexuality. They tend to have much higher expectations when it comes to their sex life.
It appears that on the whole men still cheat more than women but women cheat more than they used to in the past.
John DeMarr says that husbands will hire a PI when they start feeling a lack of emotional connection with their wives and suspect infidelity. Women are often able to find proof of a husband’s infidelity more easily as they tend to be careless about concealing evidence.
