she used the same words her mother had used when she'd left charlie.
Related Q&A:
How did Bella get away from charlie when she had to leaves Forks quickly?-Well, you know, Bella was really smart about it. She made up some excuse about going on a sudden trip with a friend. She told Charlie that it was a great opportunity and that she'd be back soon. Poor Charlie believed her. But Bella was so nervous, thinking he might catch on. She packed her stuff real quick and left before Charlie could ask too many questions. Oh my goodness, it was quite a risky move for her!