I had sex with a girl in a 1 night stand and it was safe sex with the condom and all, but I'm frightened like hell that she might had syphilis and from what I know if someone has Syphilis and HIV it makes it much easier to transmit the HIV virus through kissing, if that is true than what are the possibilities that I would catch have HIV taking in to consideration that I had safe sex, I used an un defected condom, she applied oral sex on me while I was wearing the condom but we did kiss. And afterwards I checked my lips and gums and there was no bleeding anywhere, so should I be worried ? could the syphilis ulcer transfer HIV to me through kissing without me having any cuts in my mouth ?