I am sorry that you lost your parents so early and unexpectantly in life. They will always be a part of who you are.
Kudos for successfully navigating school while you were dealing with so many challenges. As far as "I started college and then the real changes started I started to dress sorta gothic. I wore very sexy clothes, revealing clothes, rebelled against the church, started to date a girl from church." goes--perhaps this would have happened regardless of the accident? Who knows. It seems normal to me to change the way we dress and date in college. I can relate to the feeling that I "rebelled against the church." It can be hard to stay on the straight and narrow when there is so much to be experienced, etc. I am in my 50s now and recently starting going to church again after having rarely attended for the last 35 years!
Enjoy this time in your life! Hopefully you get a good job after you graduate and with more income you can have good adventures and set your life on a course that includes more financial security. You may cry on your graduation day because your parents will not be there but they would have been very, very proud of you!!!!