Bugchasing, fiction or lunacy?

There are people in the world that knowingly want to infect themselves, and others, with the HIV Virus and consider it a “GIFT”. What kind of sick minded individual would do such a thing. It is considered to be a “SEXUAL THRILL” amongst certain members of the homosexual and bi-sexual community. What would go through someones mind to think of this a a thrill? BE WARNED!