The context of the following conversation is Sydney worries about blowing a tyre on the highway, she buys two spare tyres even though the car already has one.:
Sydney says I think I have everything ready for our road trip..
The friend responds Don't forget to bring a spare tyre..
Sydney responds Even better I bought two spare tyres just in case..
The friend responds two more spares, why?.
Sydney responds I don't want the same thing happening again, like it did last time I was on the highway..
The friend responds I understand. But two tyres is a bit much..