Natasha could tell Cassie's frustration was coming from worry, her daughter hated that her parents and their friends got sent back with such regularity just as much as they themselves did. It always unsettled her and Nat really wished she could spare her that.
"We all agreed to do whatever it took to fix things and it worked out in the end but not all of us made it" Natasha told her as gently as she could, adding softly, "I didn't make it"