Dentist looked at my bite and said I will need braces again. I cannot have braces again. Financially nor desire to. (photos)

I had braces, they were removed nearly five years ago. I have always had jaw problems(had the herbst appliance)I have always felt my jaw move and my bite differ even day to day sometimes. I wear my retainers EVERY night. The clear ones like invisiline. Now only furthest back molars touch, the left side sits better than the right side so it almost feels lopsided. Will this be an issue? Dentist said it will cause wear on front teeth, and will need braces again, teeth are still perfectly straight!

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