I've never followed a vegan or vegetarian diet in the past but I think I could do it. It would not be easy. I have worked with nutritionists who have said a vegan diet is not necessarily all positive for your health because you need nutrients you only find in meats. I believe in a balanced diet.
In my family we let our boys have a say in what veggie side they want for dinner that night. We list off a handful of options and get them excited about helping to plan the dinner menu. They're much more inclined to finish their plates when they've helped decide what goes on them.