Vegan is a bit challenging for nutrition because things like zinc are fairly hard to get. Although the UI is fairly poor, I recommend using nut [0] to help you calculate how you are doing. I haven't actually seen anything else even close for a nutrient calculator (which is strange since you would think it would be an obvious piece of software for people to write).
Also take this advice from the Vegan society on vitamin B12 [1]. There is a lot of dangerous information out there, so be careful.
I really enjoyed being vegan. Unlike many vegans, I was not an ethical vegan. I just like eating that way. I actually became vegetarian to save money when I was young and poor (meat or beer was an easy equation for me to solve). After a while, I just found that the foods I enjoyed the most and that made me feel the best were vegan. YMMV :-D
No reason to go crazy at first, though. Just start cooking vegan meals. If you become vegan full time, you'll be cooking a lot in most countries, so be prepared for it.
[0] http://nut.sourceforge.net/ [1] https://www.vegansociety.com/resources/nutrition-and-health/...
https://medium.com/@manibatra23/2016-a-reflection-e80378393f...
https://medium.com/@manibatra23/2016-a-reflection-diet-30c15...
You do, but as your gut bacteria changes you sort of stop craving meat so much and start craving the new foods you've been eating.
FWIW, plant-based complete protein groups are fairly inexpensive and easy to come by.
My diet is primarily: Rice, beans, tofu, mushrooms, and various greens. I've never really been a salad person, and even as a vegetarian that's still generally true.