You'll enjoy dying of a cardiovascular disease, cancer, stroke, diabetes? Maybe you've never actually seen people dying from those chronic diseases? The problem with chronic diseases caused by meat-centric diets isn't that you'll die from it, it's that you could spend the last 10, 20, 30, even 40 years of your life dying from it.
A healthy vegan diet will likely add years to my life, but more importantly, it'll add life to my years. It's pretty cool being in my 40s and having the physical capabilities of a high-school athlete.