Idiom of the day :- A blind spot

Usage, examples and definition of the Idiom :-

‘Whenever I bring up the subject of our moving to a new apartment you become stubborn and refuse to discuss it,’ Millie’s husband complained. ‘You have a blind spot about moving.’ The next day Millie had her eyes examined and learned that a blind spot refers to a matter or topic a person refuses — or is unwilling — to accept, discuss or understand.