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The body at 16 has been formed, and the head has not yet matured in most + transitional age
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Your head is not mature. Because of those like you, we get 19-year-old kids who are going everywhere with their mom ahead. Absolutely not independent, who do not have their own opinion, who cannot even say two words for themselves! Because: “Well, he’s still 16 years old, he’s still a child, I’ll do anything for him.” Then the same at 17, at 18 and so on. And why? Yes, because man does not know the words "responsibility" and "independence" at all, he is considered an eternal child and does everything for him. At the age of 16, you are not a person telling him, you grow up - then you will talk!
And it is such old children will have unplanned pregnancies and chaos in their heads! (I have a friend who has been pregnant for 28 years with the words "and I generally thought I couldn’t". The doctor has never been there.)

A 16-year-old is a fully decorated personality and only your attitude toward him as a child makes him such!
If you treat him as an adult, talk to him on an equal footing, instill a sense of responsibility for your actions and independence, then I assure you that you have nothing to worry about.