Shy Facts Shy children are not destined to be shy adults. Shyness does not equal low self-esteem. Shyness is not a "disease," personality deficit, or character flaw. Humans aren't the only species to experience shyness. Scientists have been studying shy cattle aswell as shy cats, shy fish, and shy dogs. Some of the world's most famous, richest, smartest and bravest people are shy.