Martha Kent

"We'll discuss your training later, once you've had a chance to heal and think about what you could have done differently," Superman says to Martha. "There's no rush to make you into a hero. All of us in the Justice League trained for years before officially taking up our capes."

Martha nods, not looking happy about needing to be patient, but she knows it's just like kickboxing. You have to practice and practice and practice if you want to be great at it.