If we can understand the reality of us and the enemy in a comprehensive way, then how many battles will not be lost. This sentence also applies to interpersonal communication, a person only know themselves first, can understand others. Anyone can only trust someone who knows him well, including himself. Imagine how a person can be trusted if he doesn't know you at all.
Based on the above definition, which of the following options can be inferted?
He knows you well, so he deserves your trust