How likely am i to have herpes? i had sex 3 times condom broke twice no cum. negative on other std.

Nobody can guess: One cannot create herpes, so must catch it from another person. The question one must ask herself is, "Does the other person have herpes and is sending out viruses?" Even if yes, there probably is not a research study that counted the number of sexual intercourse encounters and types or duration of sex (impossible to do) to see how many encounters it took to catch the virus.