Fighting for gay marriage would reaffirm the image of Christians as people of warmth and compassion who help make marriages work and maintain romance. Christians would be the advocates of loving families, not their adversaries. How great would that be?
I'm not writing from the perspective of a dad. I'm writing from the perspective of having lived in my own personal hell as an early teen -- one of which no one was aware, but from which I could see no hope.
Gay dads don't get many advantages in the parenting landscape these days, but for whatever reason, due to a patriarchal Hollywood complex or just mere coincidence, there is a full treasure trove of great, father-affirming family material available.