It might be confusing for you to separate the development that happens during adolescence, especially the rapid brain development that is happening, from the changes that are so obvious during those few years of puberty.
Parents have their own expectations for what they want their child to learn about puberty and later about sexual maturity. It’s important you research what your school is going to teach your child to make sure it’s compatible with your wishes.
If daughter is about 5-7 years old, I want to help you as you begin to teach her about her body.
If your son is 5-7 years old, please take advantage of this very sweet age to begin teaching him about his boy anatomy. As soon as he enters puberty, in just a few years, he will likely be less interested in learning this important information from you with each passing year.
Has your 5-7-year-old son started asking you questions about his boy anatomy? They tend to be very curious about their penis and want everyone to know about their questions. This is normal and healthy exploration on the part of your son, but make sure you answer his questions.