Answer:
Bipolar disorder
Explanation:
Bipolar disorder is a mental disorder that is characterized by mood swings between manic episodes and depressive episodes. During manic episodes, which involves high mood, symptoms such as loss of touch with reality, getting elated and full of energy, lack of sleep, while when experiencing depressive episodes of low mood, symptoms include low energy, lack of interest in daily activities etc. Wilson may most likely be diagnosed with bipolar disorder.
A peer is someone who is the same age as you, and they do not have to even know you. You might be friends, you might not. They might be a student that's in the same grade as you.
basically, a peer is a student that is around your age.