"I finish class at eight. Mom, if you're really not feeling well, I'll call you an ambulance, alright?" Nadia did not want to miss out on the lab experiment that night.

"Sigh, forget about it. Pretend I didn't call you! Next time, if anything happens to me, I won't need you and your brother to care for me. I'll just call your father instead!" Mrs. Raven said scornfully and hung up.

At half past seven in the evening, Nadia rushed home.

Mrs. Raven was munching on nuts while watching television.

"Didn't you say that you finish class at eight? Why are you back so early?"

"Didn't you say you weren't feeling well? I was a little worried, so I told my teacher and left." Nadia placed her bag down and looked at her mother. "You look well!"

"Nadia, your mother is well. Thank you for your concern. See, your brother didn't rush back at all," Oliver said. "Having a daughter is still better. At least they know how to worry for another person."

"Nadia, I have something to tell you. Let's go to