You are killing things either way. By eating meat we are killing animals, by eating plants we are desecrating fauna. Plants are living organisms that have a plethra of functions, just the same as any animal. Stop being picky and eat ya damn food.
Some vegans don't know how to be proper vegans and therefore are undernourished. Many look drawn and sickly. On the other hand some carnivores aren't very good at it either and are constipated and toxic. I love veggies and meat. I try to eat a healthy balanced diet.