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Toilet paper can be a point of contention in many homes-- who must replace the empty roll? And should the new roll be placed 'roll over' or 'roll under'?
Dr. Gilda Carle surveyed 2,000 people and discovered those who 'roll over' (leaving the loose end away from the wall) like being in charge, like organization and order, and some even said they would flip a roll at a 'roll under's' house. Those who 'roll under,' on the other hand, tend to be more relaxed, more dependable, and "seek relationships with strong foundations."
Another survey about the same topic found nearly 75 percent of people who make under $20,000 a year roll under, while nearly 66 percent of people who earn $50,000 a year roll over.
Unfortunately, switching how you roll your toilet paper won't magically increase your salary-- the finding only shows correlation, not causation.