This May will mark the 10 year anniversary of my conversion to vegetarianism. That's a long time without meat (excepting the occasional sushimi or crab rangoon). At a couple of points in there, I dabbled in veganism, but it never took--I love my eggs and cheese to much. But one interesting artifact of that trek was me losing my taste for milk and developing a taste for soy milk.
And I recommend this to anyone. Because soy milk will last for months and months in the fridge.