So if your with a group of gay guys...
That person is likely also gay. Math can't help them.
Coming straight from the CDC,
cdc.gov/hiv/data-research/facts-stats/gay-bisexual-men.html#:~:text=HIV%20diagnoses%20among%20gay%20and,who%20reported%20both%20risk%20factors).
cdc.gov/hiv/data-research/facts-stats/gay-bisexual-men.html#:~:text=HIV%20diagnoses%20among%20gay%20and,who%20reported%20both%20risk%20factors).