The answer is: free association.
In psychoanalysis, free associations refers to allowing the patient to share anything they have in their mind.
When the patient speak their mind freely, the psychiatrists can take up a couple of clues that come out from the patient's thought in order to understand the type and the root of their psychological problems.
Calling
someone "darling" to indicate intimacy is an example of the
relationship meaning of a message. You <span>call<span> someone darling if you love them or like them very much. If you
describe someone as a </span>darling, you are </span>fond of them and think that they are nice<span>.</span>