The context of the following conversation is Due to him not wanting to leave, Austin needs to check with his mom to see if he can stay and purchase more food.:
Austin says Mom is finished eating and she has to leave to make it to work on time..
The friend responds Aww, man.  I was having fun, weren't you?  I wanted to stay and play some games and get something else to eat..
Austin responds If you want I can see if it's ok with mom if we stay, and we can get a taxi to take us home later..
The friend responds Cool!  I would like to do that.  I'll even pay for the next French fries!.
Austin responds Okay, let me go check with my mom.  I'll buy the next pizza if you're for sure going to pay for the fries..
The friend responds No problem.  I hope she will let us stay a little longer..