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fish food

Zach : I've decided to become a piscatarian
J: Oh great so we can have fish for dinner...
Zach : NO!!!
J: Why not?
Zach : because I don't really like fish!
J : then why not just be a vegetarian?
Zach : because I want to have the option of eating fish if I want to
J : even though you probably never will?
Zach : exactly!
J: so what do you want for dinner tonight?
Zach : err ... I really fancy sausages and mash
J : so you're not becoming a piscatarian today then...?
Zach : probably not....