After hearing Glenn's words, I was stunned for a moment. Then I smiled, stopped what I was doing, and squatted down. Hugging him in my arms, I said seriously, "Caroline is my sister, twin sister."

"Really?" Blinking his big eyes, Glenn asked curiously, "Then, does she have the same face as yours, Mommy?"

"Yes." I nodded.

"Wow! Can I see her?" Glenn was so excited.

I frowned slightly and showed a face of regret. Pinching Glenn's little face, I told him seriously, "Mommy's sister has gone somewhere pretty far away. For a long while, she won't come back."

"Doesn't that mean I can't see her?" Glenn pouted his tender mouth,...