Glad to see your not here to shove your choice down my throat!Rational discussion rules!
As for me, I eat meat because I can.
My morals are such that I can enjoy things given to me by nature. Granted, I don't hunt and kill my own food, but I do go through the proper channels to acquire it, just like how I don't rape girls when I have an erection, but go through the proper channels by dateing.
Additionally, there is a rather large section of society erected around eating meat. From ranchers to butchers to chefs, those people built a livelihood around people eating meat, same as the one built around fruits/vegetables. Eschewing one for the other has an impact either way.
Been said before, but the fact remains that we have had enough of an impact on certian animals that they would not survive without us. Best exapmle it the dairy cow. Those creatures feel great pain if not milked regulary now. Sometimes its not even for survival needs, but desires. We've altered the bloodline of wolves such that now we have bulldogs, who can't even mate without assistance.
As it stands, for me to survive, other things must die. Sure, I could make a conscience choice about certain things to reduce the amount of killing (all the silkworms killed for silk garments comes to mind), but I don't, as the more time I devote to that would mean less time doing things I enjoy.