Children often say they must be brave and not cry during injections, but they still shed tears. This is because

Because children are afraid of pain, the pain caused by injections is beyond the range of endurance, so they shed tears. Although you say you are brave, you are still scared inside. Saying you are brave can cheer you up, which is a good way. It is recommended that parents educate their children to encourage themselves, build confidence, and be brave when they face difficulties in the future.