Communication:

-Communication communication communication. 你 need to talk about everything, and i mean everything.
-If something is bothering you, 你 cannot expect them to know, because of the distance. So 你 need to be able to talk to them. Tell them 你 are upset. With the distance, 你 cannot behave like 你 would in a local relationship, 你 cannot be upset and expect them to know. Sometimes it is obvious, but even then, it is good habit to be straight forward: “I am a little upset right now. X, Y, and Z happened and I am not happy with it”.
-You do not need to tell them what you...