It's one thing for children to play doctor on each other, and even for consenting teenagers to have sex. It's another thing entirely for sexually and emotionally immature children to be engaged in marriage-related sexual activities, especially young girls who can be injured and traumatized. Yahweh places more importance on killing gays, a mismatch of priorities that calls for an explanation.
Best response, posted by "The_Cricket: Thinking Pink!":
The only reason we find it "gross" is because we live longer, and women are still considered pretty young at 30. Just 150 years ago, if a woman was not married with several children by the time she turned 30, she was an old maid and would obviously remain one until she died.
Ok, ladies, now you can see what you're up against with Christianity. Never mind your physical pain on being violated by a boy, or often a fully-grown man two or three times your age. Life expectancy trumps morality. The fact that you will die young entitles men to rape and traumatize you as a girl.