Why Should Christians Care What Others Do “Behind Closed Doors?”

Last fall I attended a conference on human sexuality at a local Christian college. I spent several hours after the lectures meeting with several gay Christians or those who were in support of same sex relationships and marriage. Some of the heterosexual newcomers to this subject kept coming back to this question:

Why should Christians care what gays do behind closed doors? If it’s a sin – it’s their sin. In any case, doesn’t affect you!

If you’ve heard that argument yourself, here’s why gay marriage and a gay lifestyle does matter to the rest of us!