Because she always fell asleep out of the blue and couldn't really charge her phone in time.

Sometime, she would forget to charge her phone for a long time, and then it would switch off when she really needed it. This happened several times a month to her.

But she also had another phone that she used as backup. It was the phone given to her by Heaven. It had a third of power so she could still use it.

Maria stole a secret glance at Anthony sitting beside her. He seemed to be engrossed in thought.

But in the end, she decided to take out her other phone and use it. "You..."