" So , do you have to watch out for kangaroos when you 're driving through Perth ? You 'd need good bumpers . " Oh , i could have smothered her , the same way she wanted to smother that 13 year old who she was treating because he was so emo and whiny about his injuries .
Question: Why would the narrator need to be a vigilant driver in Perth ?
The answer to the above question:


There are a lot of kangaroos .