I do fall into the second category and am unlikely to every be totally vegan. As I've got older I seem to be going off meat more. A full English breakfast used to be a must for me , bow I can't remember the last time I had one and certainly don't miss it.
I've never been a fan of steak and I find red meat so heavy on the stomach. Meatless Farm mince is a perfect example , if you use it in Shepherd's Pie or say Keema , and you save some for tomorrow you can feel how much lighter it is than lamb or beef mince. That fact alone should spell out that it's better for you.
Our local Indian , the excellent Rajnagar and about ten vegetarian / vegan main courses and if I eat from there , that's my eating list.
I still drink milk and have it for my porridge and coffee and eggs and fish are always on my menu. Chicken is ok every now and then especially in a curry and am ok with decent sausages , although there is part of me that says I shouldn't.
So I don't see myself being vegan , although lots of work colleagues think I am, but the thing is , barring Tofu , I think most vegan food is excellent and if I am eating out the vegan option is the one that grabs my attention.
So really can we have anything but "Call Any Vegetable" by Frank Zappa and The Mothers (the record company added "of Invention" so as not to be offensive) to play out with? I thought of "Meat Is Murder" by The Smiths but that is a bit too hard hitting , though it's right to be.