How to win Don:
1)after catgirl capture go to Fawn and say about it.
2)Talk with all characters(including sharkgirl) about don man's chedule.
3)Talk with homeless people in slums to ask them to spread rumors.AFTER THAT SLEEP AND GO to the gentelmen's club.When collecting your 500 money from hobo try to pay homeless peoples again to spread rumors.
4)Talk with sharkgirl about rumors so police will not chase you after attacking Don.
5)JUST RUSH ALL GUARDS to save your girlfriend.
6)Now you win! No one will touch you now.