[metmom]

If it can be demonstrated that an otherwise private act poses a real threat then it no longer maintains the qualifier of not intruding onto the rights of others.

AIDS/HIV

[Natural Law]

"AIDS/HIV "

You really should do some research on the risks and rates of heterosexual HIV/AIDS. You will find the numbers very low and the phenomenon highly overstated.

[Warlord David]

Unless the private act goes public. And you end up with an angry mob. And it always does.