The context of the following conversation is Sasha is an athlete.  She rides her bike everywhere, whenever possible.:
Sasha says I love riding my bike..
The friend responds You are quite the athlete.  How much do you ride a week?.
Sasha responds I don't know for sure, but at least a 100 miles..
The friend responds That's a lot of miles..
Sasha responds Well, I ride everywhere..
The friend responds I prefer four wheels beneath me..