Hello~It could just be a cold starting and just a coincidence that it is starting after you were with your boyfriend. It is good, however, that you are going to see your doctor to be checked, it is always best to safe than sorry. Until you go, try gargling with salt water and vinegar, this will help to clear any infection you may have in your throat, also take some extra Vitamin D, C and the herb called Echinacea, these are all immune builders and will help as well.