I've read widely from the canon of English verse;

That's pretty unusual among English people.

I keep fit with lawn tennis;

That's very unusual.

my staple meal is pottages;

I don't even know what pottages are. (Some sort of stew? Are lentils involved?) Anyway, it doesn't sound at all English.

If you were really trying to sound English you would have said you read Heat, play squash and live on chicken tikka masala with half and half (half rice, half chips, half stottie). But I'm not really bothered about how you live - as far as I'm concerned you are English, because you've chosen to live here.