Here, the speaker has just taken someone back into their life, and already that person seems ready to leave. The speaker is hurt and anxious. They compare themselves to "her," a previous partner, and list what they think they lack: the blonde hair, the brown eyes, the slim figure. It sounds like someone who feels measured against another person and found short.
Still, the speaker keeps pointing to what they have given. They admit to mistakes, yet stress that they care, that they forgave the hurt, and that they shared their fears, hopes, plans and goals. Trusting again was hard after "she left," and the speaker wants that effort to count for something.
The mood is raw and pleading. The short, plain lines feel like someone speaking in a rush, without polish, and the final line, "Please don't leave me," drops any pride. The poem ends on vulnerability rather than anger.