There is no question that the most exciting and confusing physical change occurring at puberty is the body’s new ability to produce a child. The external genitals enlarge. Boys begin to produce sperm and have involuntary erections and ejaculations; their penis and testicles grow. Girls begin to ovulate and menstruate. The wonderful God-given gift of sexuality takes center stage with all of its newly discovered drives, feelings, and sensations. Boys become men, and girls become women. And it all happens so quickly. Utilize this handout for conversations in your home and at church.