What you listed isn't healthy. 5 times food outside? Most dishes are prepared with sugar plus MSG for good taste. We don't need to mention ice cream or white bread, do we?
If you tell your wife to cook without sugar it would be a plus.
And, well, some exercises will be useful.
https://www.ndss.com.au/about-diabetes/resources/food-and-nutrition-resources/?gad_source=1&gclid=Cj0KCQiAq-u9BhCjARIsANLj-s12UVX0dE4lAd0IANUnxolUkOzdRJQkD65Q6w0x7jwyEcVj9uBzBeIaAp5JEALw_wcB
That might be helpful🤗