Please Help with Facebook Privacy Messages. Need Advice

I've had my facebook for the past 10 or so years since I was probably 10 years old or so (big mistakes)... During my middle school days I would send messages in the group chats or to friends that were extremely personal, edgy, embarrassing, etc. I would just post without thinking very much into it since I was very young.

I am now looking into trying to delete all these messages that I have sent and while trying it out, …

advice facebook messages privacy