A mom of three sparked an online debate after admitting that she was thinking about potentially moving in with her ex-husband and his wife. While co-parenting is not always easy, opening the door to living with your ex seemed worse to outsiders looking in. In a TikTok video, 33-year-old Katie Mathis, an influencer and photographer, stressed that she wasn’t sure about taking the plunge for obvious reasons, but claimed there were also benefits to having her children live in a stable household with both parents present. Parenting is hard, and co-parenting is even harder. But dealing with co-parenting while living with your ex-partner? It might sound like a nightmare to some, but it’s a reality that this mom is actually facing.  A mom turned to social media to share the tough decision she is making about potentially living with her ex-husband and his wife. “My ex-husband and his wife just invited me to move into their house with them,” Mathis began in her video. The ex-husband she’s referring to is Evan Mathis, a former NFL …