Ever the supportive daughter, I said, "What were you thinking? You couldn't carry a case of pop twenty years ago. It's not like you are getting stronger."
Yeah, not my finest moment. I followed up with a lengthy conversation about how to treat her injured back. She promised to put a heating pad on her back and take some pain killers.
I said a silent prayer that her back healed quickly so she'd be able to enjoy her surprise party.