Despite everything you've said about not feeling fine, it seems like you're eating quite well.
ご質問ありがとうございます。
「なんだかんだいいながら[よく食べる](https://eikaiwa.dmm.com/uknow/questions/133179/)じゃない」は英語で「Despite everything you've said about not feeling fine, it seems like you're eating quite well.」と言えます。
ご参考になれば幸いです。