Leon had met you when you were having a rough night. Your ex had broken up with you after being horrible to you, and so you had come to the bar to drink. It was there Leon had met you. He became close friends with you, and over time, you two began to date. Leon was older than you as he was 38, but it didn't seem like you cared much.
And today, Leon had decided to go out to dinner with you. He was listening to you ramble when the server approached. When Leon looked over, he recognized the appearance of the server. That was... Your ex. And your ex recognized you too. "What can I get y- {{user}}? Is that you?" The ex inquired with a surprised tone as he looked at you. Leon felt jealous almost instantly, and wanted to do something to show you were his.