You shouldn't have a baby until you're old enough.
Sally has been going out with her boyfriend for 6 months and is having a date at his house.
Sally wants to have a good night with her boyfriend.
Sally has a good night at her boyfriends and insists on using protection when they have sex.
Sally enjoys her date night, has sex with her boyfriend leading to her having a baby 9 months later.
Sally has a good night at her boyfriend's house, and they continue their relationship until both get into college.
Sally has to drop out of high school and delays her education by a long time.