Baby don't fill up your head with he-said, she-said
It seems like you just don't know. (don't know)

from John Legend – Everybody Knows Lyrics on Rap Genius

He’s urging her not to study what the ‘others’ have to say because all that is BS. He’s telling her it seems as if she herself is unsure about her own relationship. OR that she herself does not know, there is no Perfect Relationship.

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