Can I wear my retainers longer than prescribed to see how my teeth are ? (photos)

My orthodontist gave me a sheet about I should only wear my essix retainers for the first three weeks, but this is the same sheets that is given out to everyone whose braces are coming off. I'm having second thoughts because I had loads of gaps and I don't want to make an mistake that I'll regret forever. I got my braces off this Tuesday and I really want to know an answer before three weeks. It also says wear full time for 3 weeks then rest of life at night. And also is it possible that I wear my

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