But one person disagreed with my approach so much and so continuously that I developed a dread of reading my mail every morning: eventually I wrote a fi

But one person disagreed with my approach so much and so continuously that I developed a dread of reading my mail every morning: eventually I wrote a filter to send their mail to a separate mbox, which I've still never read and don't intend to. Such a disappointing situation to see, and potentially so demotivating. Glad it didn’t halt his contributions.