They want to come clean, but they fear if they simply told the truth, the other person would be very upset that they've been lied to and deceived, and likely discard them.
De ønsker at tilstå alt, men de frygter, at hvis de simpelthen fortalte sandheden, ville den anden blive meget ked af, at de er blevet løjet overfor og bedraget og sandsynligvis afvise dem.