10 years when you 30 and 40 are not that big, but 16-26 is a big difference, and 15 is even worse. Well whatever, I just think it's very wrong. This is not even a situation where you're drunk and do something you regret later. He was grooming her, and even used his status as her "hero" to get advantages, that is absolutely sick.
How pathetic can he be really? Definitely deserves the harshest punishment imo. And I'm done on this subject.