Hello..the symptoms are more of a  dissociative disorder most likely dissociative amnesia. And it's almost secondary to stressors. She needs further detailed evaluation

Hello Mr. From above issues that u have mentioned ,I feel I am responding to husband of patient. Yours wife age isto too small to attain any memory problems unless she is having: 1. An Acute confusional state ( delirium ) but     this possibility can only be considered in brain     injury, high grade fever, metabolic problems,     seizures disorders and many more to rule out. 2. Anxiety expressed as decrease attention &     concentration leading to poor memory. 3. Pseudodementia 4. Dissociative disorders. 5. Malingering. 6. Personality disorder. 7. Attenuated psychosis. All above disorders are not easy to discuss here , it needs detailed history & mental state examination of ur wife before jumping to any conclusion.

Need to evaluate

She needs to be talked to