Well, at least, according to the local Girl Scouts I am. You see, I went to the grocery store the other day, and upon exiting, there were Girl Scouts selling their cookies (mmmm, Thin Mints!). Diann had just bought some a few days before, so I told the 8 year-old that I had already acquired my cookie supply for the year.
I’m walking away, and I hear the girl tell the scout mom, “I don’t remember selling any cookies to him the other day.”
Ouch.

Well, you could always return the half-eaten cookies and complain