Boy falls for girl 2. Boy is told that he is not good enough for girl 3. Girl goes with boy due to genuine nature and charm 4.
Girl falls for boy and vice versa.
Dad is over protective but gives boy a try 6. Dad is discovered to have illegal actions 8. Boy and girl move to persue girls goals, leaving Dad behind. From these facts, I can say that Dad is over protective due to pressure from the divorce and his love for his daughter. The boy is pressured as to whether to persue the girl or not due to his reputation with his friends who are advising him not to.