Two short lines carry a surprisingly big feeling here. The speaker is talking to a boy who isn't answering their messages, and they admit how much that silence hurts. They start by insisting they're "not a begger," as if protecting their pride, but the word "but" undoes that claim right away. For him, they say, they would get on their knees every night.
What makes the poem sting is the mismatch between the huge gesture and the tiny reward. Kneeling is an image of desperation and total surrender, yet all the speaker wants is a text back. That small request shows how much a little attention can mean when you're waiting on someone.
The mood is vulnerable, anxious, and a bit self-aware. The speaker knows how this sounds, and the casual lowercase voice and the misspelling of "begger" make it feel like a real, unpolished message sent in a raw moment, not a carefully shaped confession.