Thanks for checking it out!
Yup UIs are hard, and I went through way too many iterations of how to do it correctly which took me way too much time :d I will definitely check out how you dealt with UI in your submission.
In terms of dialogues, there's only 1 dialogue that can disappear, but it's not really relevant to teaching the player much, it's more fluff for possible world building. Apart from that dialogues will disappear when you walk away from NPCs but if you approach them again and press LMB, you can bring them back up again so nothing should be missed.
Once again, thanks for playing!