Hello, i have OCD since i was a child. But recently, i'm very afraid about having HIV. It began i think, after a risk exposure. Yesterday, for example, i was buying a coffee, and then, when i opened the top of the cup, i realized that the coffee wasn't full, and the foam was strange and quite red. Already thought in my mind 'it's blood'. Then, i was the entire evening trying to figure out how could it happened.