If the relationship with him is generally suggested to be treated coldly, then consult with the adolescent sexual psychological counseling teacher, otherwise it will add fuel to the fire.

If the parent-child relationship is harmonious, I suggest that my father can find an opportunity to talk to him.

Before we discuss, we should study this problem through flashbacks:

First of all, we should know through what channels he bought it. How did he find this seller? Who mentioned the airplane cup to him and made him want to buy it?

When you find that your child has bought a plane cup, it means that your family's sex education has completely lagged behind, which can't be finished in a few words. Parents are advised to make up lessons and learn what was missing before. I really don't think I can do it. It is recommended to consult a professional.

Generally speaking, boys' sexual development begins with nocturnal emission, then they will be curious, and then they will gradually understand the two sexes.

If the child 18 years old, it's easy to say. If he is fourteen or fifteen, that is the most troublesome.