The context of the following conversation is Riley gave each of the boys their own set of cards to build a house of cards.:
Riley says I built a house of cards today with the boys..
The friend responds How big was it?.
Riley responds I gave all of the boys their own set of cards and we all pooled them in together, so the house we built was huge!.
The friend responds That's very cool, but the bigger the house, the quicker it falls..
Riley responds Yeah, our house of cards collapsed after about ten minutes. Ha-ha!.