1- When you are interested in someone, how do you typically express yourself?
The way i always behave but i'll try to hang out with the person ASAP in order to put things clear with her.
2- Do you take the dominant role and approach the person?
If you mean making things happen, yes.
3- If you are physically attracted to the person, are you very forward in your physical interest?
Yes but i'll try to always be in control, the trick is to-be-in-control.
4- If you begin a relationship with a person that is very physical can the relationship mature into more of a connection or will it stay at only the physical level?
Yes but it mainly depends on what you and the other person want and if getting physical is what keeps her feeling attracted to you then keep doing that ;)