The context of the following conversation is After begging all week and even crying, Taylor persuaded their mom to let her stay overnight.:
Taylor says My mom said that I could stay over, to sleep the night!.
The friend responds Oh, I'm sure you two will have a great time..
Taylor responds I'm preparing my bags right now..
The friend responds Make sure you're back on time though. Otherwise your mom will be mad at you..
Taylor responds Yeah it's ok, I'm only staying at that place till nine the next morning..
The friend responds I'll take your word for it..