Good luck with the menu planning, Woley!
There are diabetics in my family, and apart from dessert/puddings, most of what they eat is just plain ordinary good food that everybody else would eat anyway, nothing special. In fact, the rest of the family benefited from the slight adjustments to meals, especially portion size - they noticed the difference between what was a recommended portion, and the heap on their plates
One of the changes I've noticed is the different attitude to carbohydrates, which used to be a bit of a no-no, but the advice these days seems to be they are good for you, in moderation. The diet is a lot less draconian that it used to be - but still a big adjustment
Magpie, I have to ask - did your friend mean you cannot bash your husband over the head with a shovel and bury them in the garden, or you may not bash your husband over the head with a shovel and bury them in the garden?
A bit of weightlifting and some protein shakes would sort out the former, a firm sense of morality the latter