From the album The dirt pt. 2
This is a confrontation with someone who taught the narrator to perform happiness while hiding rage. The narrator demands honesty while threatening violence, but the real violence already happened—being trained to lie about what you feel until the lid blows off.
Will you come clean? 'Cause I just can't pretend / That we are living in happiness
The demand is not for an apology but for acknowledgment. The narrator needs this person to stop pretending everything is fine because they can't hold up their half of the charade anymore.
Since I was young, you taught me how to lie / Do you find that surprising?
The narrator is naming the mechanism of their damage. Someone smiled while teaching them to suppress truth, and now they are furious at having internalized that lesson so well.
I don't know what I would do / If you were young and I was me, 'cause / I don't think I would like you
This is the narrator admitting they would reject this person if power were equal. The only reason they are still here, still demanding honesty, is because the relationship was never built on choice.
Oh, I don't care / I don't care
Saying it twice does not make it true. The entire song is evidence of caring too much—the violence threatened, the confrontation demanded. Not caring would mean silence.
The narrator would be shocked to realize that 'I don't care' repeated twice in the outro is the exact lie they are accusing the other person of teaching them. The song ends where it started—pretending not to feel what is clearly eating them alive.