Hiv infection. Relation with spouse?

When you have relation with HIV positive person for more than 50 times in a period of six months.How much times does it take to infect the other spouse ? It's been 8 months not had relation with spouse and not got infected by spouse as per 7 reports but still how long does this virus to show symptoms in body and how quickly does it get reflected in reports ? Window period of this HIV virus is how many months or years please suggest as different people have different views on the subject. What is the exact window period after which one can confirm that he is not infected by the virus and which test confirm that ?? Got some symptoms like having fever twice in period of 25 days.Is having fever a symptom of this virus ? Please suggest it's been eight months and not showing in all 7 reports. Is there any test which determines whether the person is infected or not after a period of eight months not having relation with spouse ??