Personally I don’t really have a favorite character
Going to a flight school or learning how to fly is not easy and neither cheap. The students should go to a training of at least 40 hours. Although the course or journey of the students is hard, it is satisfying to see them know and develop knowledge and skills in aeronautical field.
First one. Get a good nights rest before excercising for a long time.
My inference is that Negi's father wants to spend more time with his daughter. So at this point he is actually being selfish.