A form of brain damage that renders a parent incapable of noticing faults in their own children that they would readily identify in the children of others.
"My son is so smart, he's going to be a doctor."
"Is he the one who glued his head to his shoulder? I think you might have a case of Parental Fog."
When someone finds their love interest more attractive than before they found love in them. It is a natural phenomenon that happens to just about every human being and, in most cases, isn't realised by the subject.
Gary - Emily looks good with or without make-up.
Bill - No she doesn't, you've just got a case of the Fog of Love.
When you're so wrapped up in your own moody moping that you can't see, act, or /think clearly. The ugly emo cousin of fog of war. In extreme cases, send for a waahmbulance.
Barry's so mopy and depressed about being dumped by Ellen that he's oblivious that Tracy has a major crush on him. Hopefully he's get a clue when he escapes the fog of waah.