Fake meat! its made for people just like you. Give it a try
I have been vego for 10 years and it would be easy to book the same meal for the whole family and add a biut of meat to those that want it but you'll find that vege food is cheap, easy to cook and yummy so most times when I cook for meat lovers they are pleasantly surprised.
I agree with going vego for a week and seeing how you go, you might be pleasantly surprised