I've always said it first.
Yes, it happened once and I was in a panick.
Men tend to less prone to monogamy than women. Sadly in many cases we men are drawn to women by our sex drive. While most women are driven by the need to find a partner and settle. Also, society tends to praise men for having many lovers while shaming women.
If online on a site I will randomly message people or leave and watch tv or netflix