[Mrs Tishell has gone missing with Doc Martin's baby. He finds evidence that she has been self-medicating with prescription drugs to treat anxiety and to increase intelligence]
PC Penhale: So basically there's a drugged-up lunatic on the run with your baby.
Dr. Martin Ellingham: ...and I do hate Port Wenn. I hate the people - their pinched faces, and their ridiculous accents, and their unerring knack of catching any virus that comes within a five-mile radius! They spread contagion like a bush fire! But it's where I want to be, because you're here.
Eleanor Glasson: Look, what I'm trying to say is, you know, - I'm proud of you.
Louisa Glasson: And?
Eleanor Glasson: That's it.
Louisa Glasson: No. There's always something else.
Eleanor Glasson: This place has made you paranoid - I'm leaving Port Wenn.
Louisa Glasson: And there we have it.