A standard romantic storyline typically follows a variation of the "Hero’s Journey," adapted for two people:

They confront the obstacle. Secrets come out. The protagonist must see the other person clearly—flaws and all—and accept them.

So go ahead. Write the letter. Make the confession. Subvert the trope. Because in the grand narrative of existence, love—messy, complicated, and breathtaking—remains the only plot twist we never see coming.

The combination of a minor’s age (13) and explicit or sexualized themes is highly problematic: Child Protection Laws:

: A misunderstanding or secret that threatens to pull them apart.