egoism- Conceit; valuing everything according to one's personal interest; excessive confidence in the righteousness of one's own opinion.
This girl's egoism was clearly shown when her phone bill was over $300.00 after only one month.
The verse of the week tells us how not to have egoism:
"Little Children, you are from God and have overcome them, for He who is in you is greater that He who is in the world." I John 4:4