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All these associative mechanisms were already fully described even more than half a century ago, and you will not see any even cases of people excited about passing by trains and anything else. And they were fully restored to normal human condition.
Do you mean that being excited by passing by trains is not a normal human condition? Oh well shit. It is absolutely natural. There are indeed people with deviations that are aroused by merchants. I knew one sick bastard, so that perverted man stood on the cloth.