In first-person POV, it's challenging to convey who's speaking without a clunky or clichéd paragraph of self-description.
The question underneath your question is: "Am I allowed as a commercial writer to do the thing I want to do as an artist?"
Lots of things happen that characters don't know about, or only hear about. That's part of life, and is perfectly fine to include in fiction. Instead of trying to fix it, have your characters react to it.