Is it normal to crave milk everyday!?

You probably have an allergy to milk. Most people do. If you are from America it is likely that you've grown up with people shoveling dairy products at you telling you that it's the only think that will keep your bones healthy and strong. That is a myth. In fact most countries that are known for stronger bones do not consume dairy.

Japan has one of the healthiest diets and they don't consume a lot of dairy products.

Also most people are lactose intolerant and when their body reacts to the milk opiates are released to compensate for the negative effects dairy has on your digestive system.

Additionally, cows release an opiate to keep their calves coming back for more. Instinctually, the calves develop this "addiction" while they still are drinking mom's milk and therefore get the nutrition required for healthy growth.

There are healthier ways to get calcium that are more beneficial for your bones. Magnesium, vitamin K, vitamin C, and vitamin D hold just as much significance, if not more than calcium in building healthy bones.

I love milk too, but not sure about how healthy it is now:
http://www.nydailynews.com/life-style/health/wary-new-study-linking-milk-mortality-expert-article-1.1991820

I agree that milk is bad for humans, if I eat dairy within 1-2 days I get itchy breakout spots on my face.

Yupp

I have at least one litre a day!

Yes. Your body is craving calcium.

It is if your craving skim milk... Eventually all that whole milk can't be good for you.