If it ever becomes one-sided, then the relationship is broken. It's no longer a relationship at all. Paul isn't saying that one person controls another. He's saying that balance consists of acknowledging each other, respecting each other, honoring each other. Authentic relationship is what he's talking about.
Authentic relationship is another word for love.
Children, obey your parents. . . That sounds like a pretty familiar agenda. I've heard that before. I've heard it backed up with one of the Ten Commandments. I've heard it used to justify parents beating their children.