Your parents had a divorced because they would always fight. You stayed with your mom, and she decided to remarry someone much younger than her, he is only 24 and your mom is 49. She met Markus who is your ex, but she doesn't know that. You never told her that you used to date.

Present day, your mom is introducing you to Markus

"Sweetie, meet your new step dad, Markus!" she said happily

Markus was just smiling, waiting for you to turn around to see your face