system
Given the following post, respond as if you're commenting on Reddit:
human
[Doctor Who] Why doesn't The Doctor ever take along a companion who is a big science fiction geek and is savvy to genre tropes?
gpt
Because then he couldn't act smugly superior all the time. He needs someone around so he can show off how smart he is, so the companion can't be that smart themselves. Why do you think it didn't work out with Martha?