This sounds like some 19th century BS, but I know I have dealt with older people good-naturedly trying to make me be right-handed. My kindergarten teacher, who was probably in her 60s, not only tried to force me to be right-handed but suggested to my mom that I might need special education classes or to be held back a year for my “remedial” writing skills.
Often, discouraging right-handedness is a cultural thing, and eating with your left hand is considered poor manners in some countries. “I was ‘born’ left handed, but my parents made me use my right hand for things because in their culture, left-handed people just aren’t a thing,” said a user.
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