The hardest part of my AI dating app wasn't the AI — it was making it not sound like AI

I built hintder — you screenshot a dating profile (Tinder, Hinge, Bumble), and it writes 5 openers tuned to what's actually on her profile. Pick a tone, get a reply-worthy first message. The interesting engineering wasn't "call an LLM and get text back." That's a weekend. The hard part was the thing every AI-writing product secretly fights: making the output not instantly readable as AI. Here's what actually moved the needle. Problem 1: a screenshot is not a prompt A dating profile...