I don't know a lot about veganism. Are you familiar with this style of dieting?
Yes! I flirted with it a bit. Basically it's about abstaining from ALL animal products in the diet -- both for health and ethical reasons.
Did you join this style of eating for diet or for ethical reasons?
Partially -- but honestly, I'm torn. I know some very ethical carnivores! I probably aligned more with "environmental veganism".
What exactly is environmental veganism? I'm not familiar with this term.
Basically it's about avoiding animal products because the harvesting or industrial farming of animals is harmful to the environment and unsustainable.
This is a philosophy that I could subscribe to but I don't believe I could ever give up eating meat. 
Well, I'm there with you! I do try to take into account animal welfare scores when buying meat, though. It's not animal conservation, but is an awareness.
I must admit. I go into denial and do not think about the that "part" of the consumption of meat. I just pretend all meat comes from a plastic container at the grocery store.
Grocery store
A grocery store or grocer's shop is a retail shop that primarily sells food. A grocer is a bulk seller of food.
Grocery stores also offer non-perishable foods that are packaged in bottles, boxes, and cans; some also have bakeries, butchers, delis, and fresh produce. Large grocery stores that stock significant amounts of non-food products, such as clothing and household items, are called supermarkets. Some large supermarkets also include a pharmacy, and customer service, redemption, and
Fruitarianism
Fruitarianism () is a subset of dietary veganism that consists entirely or primarily of fruits in the botanical sense, and possibly nuts and seeds, but without animal products. A fruitarian diet attracts criticisms and health concerns for those that follow the lifestyle.
Fruitarianism may be adopted for different reasons, including ethical, religious, environmental, cultural, economic, and health. There are several varieties of the diet. Some people with a diet consisting of 75% or more fruit consider themselves fruitarians.
Varieties.