The answer to your question is thyroid .
A; optimism is the tendency to remain hopeful and confident about the future-- an optimistic person has a tendency to expect positive outcomes, so they generally experience less stress than pessimistic or other types of people.
Go to the hospital and get checked to make sure your okay.
I think the main difference is that the id means primal impulses, but superego means primal impulses and self control together.
