Went into the dealership looking for a new family ...

Went into the dealership looking for a new family car for my wife. We found the perfect fit. But, I'm not sure what went wrong. It all started out great. The salesman was awesome! But, once we sat down with the proposed deal he had I was not interested. While trying to explain what I was looking for in terms he basically told me to shut up. Then proceded to tell me that I didn't need to get pissed at him. After that I was done. I said no deal and he wasn't getting my business. While trying to leave as I was walking out the door he ran up on me. That made me nervous and made me feel I was obligated to buy from him and couldn't leave until I did. This whole situation sucks because the car we found was perfect for my wife and exactly what she was looking for. Hopefully she can try again another day. Not sure what went wrong.