Clearly, if you can't bring yourself to pay At Least £2 a month, then you're no decent competition and not worth even acknowledging the existence of any further. There may be a more reasonable reason, but it just seems like unnecessary silliness to me.
I wonder, if you had a mug at his house with your name on it, do you think that he'd also be chucking it in the bin right about now? If you had a real-life argument. "Stu, where's my cup?" "Shouldn't have giggled whilst I was trying to play Portal. And don't sit there, that's the Good Chair."