"Because I like you," Harry replied, confused. "We've talked about this, Severus. I like you. I trust you! I feel sexually attracted to you. I think those are ideal conditions for a relationship. Also, when have I ever conformed to public opinion?" He snorted. "I get this whole "continue the line" thing, but there are surrogates and adoption. I believe I've even read of a blood adoption once. We could do that, and everything would be alright, wouldn't it?"