Frank and Marie have been married for over 40 years. The marriage started out with very little conflict, and Frank was happy to please Marie. However, as the years have passed, no matter what Frank does, Marie criticizes him: his appearance, his opinions, his cooking, the gifts he buys for her, and all of his other actions. At this point Frank is feeling more and more discouraged despite his best efforts to make her happy. This is likely a case of.

Learned helplessness

Explanation:

 The Learned helplessness is one of the type of psychological concept that helps in explain about the mental state of the person in which the person feel very unpleasant as they are unable to avoid the current situation or any type of circumstances.  

 The three main part that are helps in learned helplessness are as follows:

 According to the given scenario, the given situation is best illustrating the concept of learned helplessness as Frank is feeling discourage about the efforts he made to make her wife happy.  

 Therefore, Learned helplessness is the correct answer.