Yourselves. As is with all humans. we find ways to complicate the simple things and INFJs are no exception. In fact they tend to be quite adept at this.
The person a person lies to most often is themselves.
I believe it's entirely impossible to be a human being and not self deceive.
It's our nature.
Deception happens on many levels and not all of them are conscious.
Anyone who believes they are incapable of self deception is actually a poster...