Betrayal
When Greg and Cheryl first got married, the pair actively tried to have a baby. Cheryl was so excited about having a baby that she compiled a list of names for their future child.
However, after years of trying, Cheryl accepted the fact that she could not have a child of her own. It hurt her to the core, but after some time, she finally managed to come to terms with it. However, this discovery would reopen those wounds.