When my brother and I moved into this house about six months ago, I took an instant liking to one of the girls who'd already lived here for a couple of weeks. As time went by my feelings for her grew, and something about her manner around me made me wonder whether she might like me also. I told myself she couldn't possibly, while at the same time becoming convinced that she did. I learnt that it's entirely possible to be simultaneously certain that something is true and that it isn't.
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