I'm not a vegetarian, but I adore vegetables in ways I perhaps don't adore meat, grains, dairy, or fruit. If you do a simple, but random, google search of varieties of vegetables and then do a similar search for, say, meat, it's easy to see how the variety, color, texture, taste, and infinite possibilities draw me close, lasso me in, and tie me to the garden fence.
I also like what I call, in the summer, "Shop and Chop" meals--a quick slice or dice, perhaps a fast saute or grill (if any cooking at all), and there's dinner. A cold bottle of wine and I'm outside under the trees for supper.