Despite breaking what feels like thousands of wine glasses, never knowingly having bought any wine glasses, and not even drinking much wine, I still have two entire kitchen cupboards full of wine glasses. I think they breed.
In the good old days of being a student, we used to drink wine looted from my French flatmate's family wine cellar (in an actual chateau, his father is a famous Frenchie) out of tea mugs (washed with typical student aplomb). Pure class.