I had unprotected vaginal sex with a new girl partner on December 17 and 18 (no oral sex or anal sex) but with kissing. We are in a heterosexual relationship. I developed a sore throat on December 24 and it then developed into cough and colds on December 28. My cough and colds are almost gone as of today because phlegm is already clear colored and frequency has reduced. However, as of December 26, I have been feeling something unusual in my urethra that is not too troublesome is not normally there and I don't often experience sensations in my urethra unless I just ejaculated which should reside within a few minutes after I do. The feeling still persists until today, but there are no discharges or increase in pain when urinating/ejaculating. It has been around 13-14 days (about 2 weeks) since I have been exposed to a potential STD. How likely that I have been exposed to HIV? When will the ARS symptoms kick in supposedly?