Standing in front of a mirror, the speaker catches a glimpse of who they might become. They smile, believe they will succeed, and even call themselves beautiful. The list of feelings builds gently: confident, proud, and finally happy, the word the speaker seems to treasure most.
Then the last line pulls the rug out. "But that's only sometimes." That small, flat sentence changes how we read everything before it. The good feelings are real, but they are rare, and the speaker knows it. The title of the poem and its opening word, "sometimes," frame the whole thing as a hope that flickers rather than a settled truth.
The mood is quiet, honest, and a little wistful. Nothing dramatic happens, and the plain language makes it feel like a private thought said out loud. Many readers will recognize the mix of self-belief and self-doubt, and the poem doesn't pretend that the good days last.