Fiance cheated!!

so apparently my fiance told me the story of my best friend cheating but finds out... he did.. he started a random agruement on Christmas eve for nothing about how i cheated and all this.. and its over so uk im tryna work things out and then i checked my mail box .. i was burning in my gential area and my test results came back i have hpv.. mind u hes my first no condom person... then today i get blisters .. and he still wont admit it him . That i didnt cheat but i gt videos of the girls sending naked videos and pics. Im so heartbroken im a stay at home mom i dnt know what to do