Dating when you have a cold sore may seem hard, but it's more common than you think! Here are some tips to help you educate your partner about cold sores. Like all forms of the herpes simplex virus, cold sores are highly contagious. Kissing and cold sores is risky business, because if you kiss someone while you. I got genital herpes because my partner thought that cold sores didn't you're not vulnerable enough when you first start dating someone. 80% has been exposed to it. Not everyone is susceptible and some people who "have" it never experience outbreaks so unless they've gone out of their way to. How To Tell Someone You Have Herpes It's possible to transmit herpes even if you don't currently have cold sores or a genital outbreak.