It takes seven years to replace all the cells in the body.
"Seven years ago, you ruined our love with just one phone call. You left me behind with just one phone call... Xu Jing, you are so cruel."
"Seven years later, I want you to come back to me, will you?" Song Chengfeng said
"Maybe I can be brave this time. No matter what happens this time, I will be with you..." Xu Jing said
"I hope you keep your promise, otherwise I will go crazy... Really!"
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