Yes, instagram need different email. But you can create multiple account with 1 email. Check this thread.
https://mpsocial.com/t/method-how-to-create-100s-of-social-accounts-with-only-one-email-address/1352/75
Everyone has limits. You just have to learn what your own limits are and deal with them accordingly. Nolan Ryan
Please read this my friend.
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