Mrs. agos is unable to recognize her husband by sight when he enters her hospital room. however, once she hears his voice, she recognizes him. mrs. agos has likely suffered damage to her

Mrs. Agos has likely suffered damage to her "Temporal lobe".

The brain is partitioned into particular lobes. Every lobe is portrayed by the particular capacities it does and its area and limits.  

The temporal lobe is situated behind your ears and stretches out to the two sides of the brain. The temporal lobe is engaged with vision, memory, sensory information, dialect, feeling, and comprehension.

explanation:

may i ask what challenges?

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.