I say "I'm glad I found a place like this that sells loose leaf tea, and I drive through every Friday for work, so I'll be coming in again often."
And he turned to the lady he was talking with before and said to her, not even looking at me "No she won't." And they both laughed.
Well, sir and other customer, you were absolutely correct. I have not been in there again. Yes I like being able to see and smell the tea, and the instant gratification of buying it in person, but I can find the same tea online without the douchebaggery.