Lyric discussion by Sehnsucht 

Everyone is being so shallow about this song! Don't you know Justin Bieber only keeps his "hot teen that all the 12 year-old girls want to sleep with" image so that he can hide the darker side of his lyrics, because he can not go without saying the things that hurt him deep inside, but he also does not want anyone to know about what he feels because they would never understand anyway?

But I understand Justin. I understand it all.

This song is about the internal struggle of a boy with the meaning and purpose of the "self", after coming to the conclusion that nothing but Nihilism explains all of the questions and concerns he has about life and the universe.

The song takes an especially strong view on the idea of "ignorance is bliss" and Justin's constant references to his childhood are about how he wish he could go back to a time when he did not understand or know anything, and did not have to suffer from the realisation that all life is without purpose.

The "baby, baby" is referring not to a girl, but actually to himself as a baby, and the "ahhs and oooohs" are pathetic attempts to replicate the sounds he used to make at that time, because out of his desperation he is willing to try anything to go back to when he did not understand anything. The "thought you'd always be mine" is of course about his innocence and how he thought he could stay ignorant and blissful forever.

The verses are about how he slowly lost his ignorance over the years, as he learned that the things society teaches us can make us happy (possessions, money, love) made him happy at first "I'll buy you any ring", but slowly he finds they are meaningless "When I was 13, I had my first love, There was nobody that compared to my baby (once again referring to how there was nothing like the ignorant bliss he had as a child)", and as he keeps living his life he finds that materials and emotions have no value, and Justin struggles to hold onto things but he can not stop a nihilistic view from taking hold of him, "And I wanna play it cool/But I'm losin' you".

Finally the last verse is a bit ambiguous. The "I'm gone" could be referring to the "self", i.e. with Nihilsm completely taking over him he now has no conception of himself, and so he is now an empty shell without anyone inside (therefore he in essence is gone, even if his body is still there), OR it could also mean that in his struggle with Nihilism the only way out he could think of was suicide, so the "I'm gone" could refer to his falling into the pit of despair and killing himself, but I don't know for sure. You'd have to ask Justin in person to find out...

That is a very thoughtful interpretation, but I cannot help but think you missed... everything. I don't mean to be hateful. Please do not mistake this is a toll or me as a hater.

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