Like in the 90s, there were zero veg restaurants (in my town, anyways). The best you could do was Indian, and damn I ate a lot of Indian. I was lucky if a store had one kind of tofu. Soymilk wasn't really sold in the store. Fake meats and specialty veg foods didn't exist. No vegan ice creams and desserts and shit. Also no Uber Eats.
I listen to people complaining today and I really have no patience for it. I went vegetarian (not vegan*) at 19. I bought and cooked my own meals. I made a fuck ton of rice and beans. And I had to do this in a suburban hell with no car. Adults in a city whinge that it's hard and I'm like 
Granted, people living in rural Kansas or whatever food desert might have it harder. For the rest, fucking just do it.
*I've been vegan for ten years now
Even though the texture thing isn't me I get it, respect.
As for the dairy stuff, to be completely honest it's been in the back of my head for a while now, same as giving up meat was some time ago.
I don't remember what it was then but it just took a random catalyst one day for me to stop eating meat; it was surprisingly easy to write it out of my diet and cravings overnight.
I already struggle with executive function pretty badly at times but I wanna say it kinda allows me to just completely drop things permanently for the better too lol. I figure I should commit to eating vegan sooner rather than later so I'll give it an honest try.
I'm glad you're making it. Consider making your question as a post. I'm sure that someone can answer it.