Then perhaps we don't fit each other, which is fine, and isn't finding that out a good result of an inteview (that you don't want to work with me? - instead of

Then perhaps we don't fit each other, which is fine, and isn't finding that out a good result of an inteview (that you don't want to work with me? - instead of starting and then beeing unhappy - IMHO not enough candidates evaluate the company and their future manager in interviews)