Don't be so heartless. His main complaint is that she is too young and naive to make these decisions, and she will fuck up her body permanently. He doesn't hate his daughter, he just wants to do his job as a parent but the entire country is against him.

We have drinking age, tobacco purchasing age, drivers license age, tattooing age, voting age, etc, largely because we think children's natural development is important and they will make regretful choices if left to their own devices. We are going to say a 14 year old should take hormone blockers and ruin their natural mental and physical development, but shouldn't drink for the same reasons? Make it make sense...