Fighting seems like an interesting hobby which style do you use?
BJJ and i can also use my fists i have power and speed in both hands
What is BJJ never heard of it?
It is Brazilian Jiu Jitsu it was perfected by a family called the Gracie family 
Oh, yeah I have heard of Royce Gracie in the early UFC.
Yes, his brother is Rickson Gracie is known to be the best out of the whole Gracie family 
Does the art really beneficial more mental then physical?
It is both equally mental and physical  
Did you win any of the street fights you were in?
Yes i never got hit in the face in any of them