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Earlier this year something unprecedented happened: I called time on a friendship. Not permanently, but I got to the point where I needed a break. Somewhere along the line it had all got too much for me. It was too intense, too bogged down in negativity, and it was no longer making me happy. I was expending huge amounts of time and energy and getting very little in return. It had become what no friendship should ever be: difficult and one-sided.