Word(s) to the Wise

What happens to someone who has read the entire 20 volumes of the Oxford English Dictionary?  Here's what happened to Ammon Shea who over the past year did just that:

"I think it turned me into a blithering idiot," he laughs, admitting he often becomes tongue tied and unable to remember the simplest of words, such as – incredibly enough – "milk."

"I would end up stumbling and ask the guy around the counter, 'Where's the white stuff, the white liquid,'" he says.