KIERAN McANULTY: Well, I didn't know—was it awful, or was it disgusting? I didn't know. What on earth is a purple product? I don't know. I thought perhaps he was talking about cannabis, but perhaps it was one of those old man's sayings. It was like when you're talking to your grandfather and he tells you about the time you could get a gallon of gas for a threepence. You know, I just thought it was one of these old-fashioned sayings. 