The key to eating dairy is finding the forms that work for you. Unless you have been told to avoid all dairy.
Roughly Fifty percent of the world is intolerant to dairy.

Avoid
Butter
Milk
Cream
Yogurt
Sour Cream
Cheese
White or Milk Chocolate
Ice Cream
Creamed Soups and Vegetables
Soup Bases
Puddings
Custard
Ghee
Dairy Yogurt
Kefir

The health stores and supermarkets now have very good alternatives.