Scared by my thoughts, I quickly turned off my cell phone and sat on the sofa with my pillow in my arms, trying to distract myself.

After some struggles, I ran upstairs, took out my math textbook, and carefully selected a problem. Only then did I pick up my mobile phone again and dial out the number with fear and trembling.

The phone's voice echoes in my ears. I seldom take the initiative to call him at ordinary times, but he returns quickly when I send him messages, but this time it rang several times without any movement.

I almost lost the courage to hang up when the phone suddenly...