Freaking out

Hi im a 29 yr old female I have never been to obgyn in my life and I was sexually active from April 2006 to the fall of 2008 with a former boyfriend after that I've had sex only twice and used condoms lately it has occurred to me how much unprotected sex I had with my boyfriend years ago and googled std and freaking out because they say that most won't show symptoms for years and then the worst hiv can also have no symptoms for years how likely is it that I have hiv for 7 years and not know it I hardly ever get sick I stopped eating for two weeks from being worried and I think I've had vaginal yeast infections before and might have one now and read it can happens if you have hiv I don't know what to do where to get help I've missed work due to anxiety from it like a month to be exact I'm desperate could I have it I even started talking to my exboyfriend again and realizing how much he hurt me and lied to me he moved to Mexico City after we broke up I'm going crazy where can I get help for this

Freaking out