Plants aren't complete proteins.   

The fact is, italist can get plenty of usable protein from non-dead sources like beans and soy products. Even vegans [real italist] have little risk of insufficient protein intake: only a few servings of non-dead protein sources a day - a cup of beans, a serving of soy-milk and tofu - will more than meet the protein requirements for most people. And don't worry about complicated protein combining: its not necessary to eat your beans and rice at the same meal. 

I cant get enough calcium without eating dairy. Not necessarily true. One serving of tofu or a cup of most greens has as much calcium as a glass of cow milk. Sesame seeds, broccoli, and sea vegetables are also great vegetarians sources of calcium. And its a well-known fact that excessive protein consumption can actually inhibit the absorption of calcium.

Vitamin B-12 is only found in animals products. Not quite true. Nutritional yeast, for example, has enough B-12 to satisfy the adult RDA with only one to two teaspoonfuls. The daily requirement for vitamin B-12 is low, and Vitamin B-12 deficiency is rare in Italist: vitamin B-12 reserves in the body may not be depleted for 20 to 30 years or more. Even so, italist should be prudent about getting enough of this crucial vitamin. Best bets: look for fortified soy-milk and dead substitutes.