Many parents have this experience. When their children were well-behaved and cute, they began to say a few dirty words or cruel words out of nowhere when they could speak, such as: \”Bad mother, beat you to death\” \”You are a bad guy!\” \”I hate you! \”Children after third grade will even say some dirty words about genitals, women, elders, etc.\” I heard that the naughty child at home \”spits sweet smells…\”