I used to believe that my ex-wife's lack of popularity had to do with me, when it may have had more to do with her alcohol-fueled bipolar disorder.
Are you certain that his own behavior is not contributing to his decline in popularity?
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The mere fact that science may not yet adequately explain an object, event, or experience does not mean the immediate explanation should automatically default to a conspiratorial, extraterrestrial, paranormal, or supernatural cause.