As Bella arrived at the library, her phone rang. “Who could it be? Who would call me at this time?” Bella grumbled and took out her phone. She looked at the unknown number suspiciously for a few seconds and then accepted the call. “Hello, this is Bella Green.” “Miss Green, I am James’ mother, Kate Grace.” Bella had a very good impression of Kate and was pleased to hear from her. “Hello, Mrs Grace.” What can I help you with? Is it your hypotension again?” “No no… thanks to you I haven’t had those symptoms again, and my figure is also much better now, without dieting!” Kate said gratefully. “Really? That’s great!” Bella was elated. Kate noticed Bella’s genuine excitement and thought it was rather sweet. “I have prepared some food to say thank you and I would like to invite you to