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It certainly is. However, keeping it up is often the hardest part. But already 17 days is a nice positive indicator for the future I'd say :)

Yeah, it's probably easier for me than most to stick with it, because both of my parents are vegan, I'e been vegetarian for most of my life, and when I lived with my grandmother, we were eating vegetarian fare for the most part. I learned to cook vegan recipes from the whole family, practically. It really helps to stick with it if you know how to prepare food, so I've got a head start here. That's why I decided to simply switch to vegan cold turkey instead of easing into it. I figured I could handle it. So far so good.

It certainly seem that you could handle it yes. You should consider posting follow up results every few weeks :)

Yeah, thanks, I've been doing that so far.