Girlfriends pay me to conduct loyalty tests via Instagram DMs. It's a lucrative gig, and most boyfriends fail.

• Trinity Howard's personal experience with a cheating boyfriend inspired her to help other girls.
• She's now a loyalty tester for Lazo, charging $70 per mission to see if a boyfriend will cheat.
• Howard conducts 15-20 loyalty tests a week and says 90% of the men who respond to her fail the test.

This as-told-to essay is based on a conversation with Trinity Howard, a 22-year-old loyalty tester in Tampa. It has been edited for length and clarity.

Before I became a loyalty tester, I had my own run-in with cheating.