For the last year I have been logged into Windows as my son (complete with getting weekly screentime reports about myself) because I once tried to set up a netw

For the last year I have been logged into Windows as my son (complete with getting weekly screentime reports about myself) because I once tried to set up a network game of Minecraft and somehow this associated a Microsoft account with my previously offline user account. There is no way to undo this without creating a new account from scratch and deleting the old one.