Robert, this bump to the head and the following dizziness, did this happen outside by chance?
Your not knowing where you're at when you go outside, may be a feeling of unreality. Lots of us get this feeling of dettachment or kind of being separate from our bodies. It's difficult to explain. Does this sound sort of like what you're feeling?
It's not always important to find out the reason behind our anxiety but it does help. It depends on who you talk to or what books you read. Especially if there is a fear behind it. Once the fear is conquered, the anxiety often goes away.
Hopefully you have your parents behind you in this problem. They can help you find a therapist. You are not alone. Many people suffer with these strange feelings, thoughts or aches and pains. Don't be hard on yourself. Relax and know that you'll find the answer to this problem!
Anxiety Disorder/Mitral Valve Prolapse
40 mg Prozac, Toprol 75 mg and occasionally Ativan