First of all, due to the fact that it is physically impossible to have "normal" sex with a same-sex parter, perverted sex is involved. It is also hard for such couples to build a family: they can only adopt a child, but how would you explain it to a child that they have two mums (moms), or two dads? How do such parents tell their kids about the birds and the bees? I can hardly imagine it. This is my subjective opinion. In fact, I don't mind homosexual couples, just worried about the kids.