Hi,i a couple of months ago i noticed small like pimples around the top of my penus! which i think is genital warts. My girl friend has only slept with me and i have only slept with her, is this possible for me to chatch this STI when i know that she cant be infected! of has she done the dirty on me ? and sleped with some one else who is infected with a STI ? please help i'm very confused!