She cooked, cleaned, and cared for her stepdaughter for 5 years.Then the girl called her “just my dad’s wife.”Now she’s wondering if taking a step back was the right move — or just plain petty. Let’s break it down. She stepped in like a second mom — but now she’s stepping away. In a viral Reddit post, a 35-year-old woman shared her side of a messy step-parenting moment. She married her husband five years ago and quickly took on a parenting role for his daughter, who was 11 at the time. “I’ve done everything a parent does. Doctor visits, school meetings, shopping, helping with homework. I’ve been there.” But recently, during an argument over chores, her now-16-year-old stepdaughter snapped: “You’re not my mom. You’re just…