Antiviral chewing gum to reduce influenza and herpes simplex virus transmission

Obviously then your risks are lower, but even then not zero. A dear friend of mine went through stage 4 HPV related cancer after a long "monogamous" marriage. It turned out that it wasn't actually monogamous on the part of her (now ex) husband.

It's excessive to say literally everyone should get the vaccine: if you are especially low risk and don't want to bother, sure. But it's a very easy, safe vaccine. Most people engaging in some average amount of life-time serial monogamy (or with a partner who engaged in serial monogamy) would be better off just getting the vaccine than spending any mental energy on trying to figure out exactly the degree to which they need it.