From reddit: I lie about my number of sexual partners
"I (29m) have had between 70-100 partners from age 18 until now. I have spent 5 years in 3 different relationships. I was never once unfaithful. That means I've averaged, while single, between 1-1.5 new sexual partners a month.
The only girl I've told the whole truth to reacted fairly (she thought it was a big number, but not a big deal), but ho..."