i'm a vegetarian, i'm abstaining from the consumption of meat
I'm a pescatarian.  Why did you decide on vegetarianism?
aesthetic, economic, or personal preference. There are variations of the diet as well: an ovo-lacto vegetarian diet includes both eggs and dairy products, an ovo-vegetarian diet includes eggs but not dairy products, and a lacto-vegetarian diet includes dairy products but not eggs. A strict vegetarian diet – referred to as "vegan" – excludes all animal products, including eggs and dairy. Avoidance of animal products may require dietary supplements to prevent deficiencies such as vitamin B12 deficiency, which leads to pernicious anemia.
I can predict to eaters of meat: the world of the future will be vegetarian." On 12 January 1942, he said, "The only thing of which I shall be incapable is to share the sheiks' mutton with them. I'm a vegetarian, and they must spare me from their meat." In a diary entry dated 26 April 1942, Joseph Goebbels described Hitler as a committed vegetarian, writing, 
In his table talks, on 25 April 1942 at midday, Hitler addressed the issue of vegetarianism