It’s literally a skin disease like psoriasis or eczema. It’s highly stigmatized and not a big deal. Women only give it to men 4% of the time and if condoms are used it’s a 2% chance, if condoms and the anti viral are used it’s 1% chance. You have a higher risk of getting her pregnant if you don’t use condoms. 

Honestly this girl deserves better if you’re saying she “could be the one” but you’re worried you’re going to get a skin disease.