Four short lines, and a lot of regret packed into them. The speaker describes wearing flowers on their head, but these aren't just decoration. Each one stands for something important that was never said out loud. The image feels a little like a crown or a wreath, something worn for a ceremony, and it's hard not to think of a funeral or a memorial. It's as if the speaker is mourning all the conversations that never happened.
The last two lines are the sharpest. "All the things that should've changed / But didn't" breaks off flatly, with no comforting ending. That blunt stop leaves the feeling of disappointment hanging in the air. The speaker seems tired and resigned, maybe a bit sad and a bit angry at themselves or at others for staying silent. The mood is quiet and heavy, and the poem suggests that silence has a weight you end up carrying, even when it looks pretty.