The speaker talks to their younger self, the teenager who is still hurting, and offers the comfort they needed back then. The tone is gentle and protective: holding a hand, covering ears, kissing a head. The speaker makes no big promises that everything will be fine. Instead they say things will "start to get better," and the poem suggests they are honest about what has changed. There are real birthdays now, a raised hand in class, and days when the happiness isn't faked.
The poem also admits what hasn't been fixed. The speaker is "too young" and still doesn't understand why people take "what's not theirs." The repeated "not your fault" reads like a reassurance the speaker is still learning to believe. Scars appear throughout, but they become something to be "a little proud" of rather than ashamed of.
The mood is tender, tired, and quietly hopeful. The closing lines turn the title's phrase into a promise.