perception and communication

I've been mulling over the value and role of perception in power exchange and D/s. It seems to me that perception is an element that can be both beneficial and detrimental to a relationship. It can lead to either a building up or a breaking down of control and obedience. But I have to wonder if in a PE relationship perception plays a more important or central role within the dynamic than I'd originally realized. Certainly there are times it helps matters but aren't there often times that it is a hindrance as well?

My role as a submissive dictates a certain approach to things that is radically different than how I approach them in my every day life. For example, if I perceive something negatively within my marriage I am more the type to immediately get it out in the open. I confront the issue head on with my partner so that misunderstandings and misconceptions don't cloud matters and foster negativity. But as a submissive, if I perceive something as negative within the confines of our D/s relationship, I generally approach it as something I must accept and get used to. I rarely confront the issue with my dominant. I may ask some clarifying questions to try to verify my perception but this is not always enough to validate or alter my perception.

Generally, when things aren't entirely clear, whether something is true or based on truth doesn't seem to have as much weight as what I perceive it to be. And, on occasion, my perception has led me to feel discontented or uneasy about my future path. So, at what point do perception and role hinder communication and/or erode a relationship? I realize communication is important and yet the structure of PE seems to muddy the waters for me as to which things are up for discussion and which should merely be met with acceptance and obedience...