yah, just to reiterate what peoples have been saying. it takes a few months for the virus to show up on a test.
we do sell kits at walgreens, but it's not an instant thing, you have to mail a sample to some lab company.
also, your friend is an idiot brah. goin around having raw sex with random people? also, the way you make it sound, it's as if he has an instant test, which, to my knowledge, doesn't exist. so he's been lying to you, and possibly the peoples he's been seeping with