I have to say the answer is all of the above
Hope this helps
Answer:
Being able to actually be comfortable with the people around you, getting comfortable means less shyness which means better communication. Also if the person went through something traumatic, they might feel like it was their fault, so due to that they might keep to themselves very often.
Explanation:
Answer:
It will be endorphins
Explanation:
any of a group of hormones secreted within the brain and nervous system and having a number of physiological functions. They are peptides which activate the body's opiate receptors, causing an analgesic effect.
Answer:
This means they rise because of mental disarray or discriminatory thoughts.
Explanation:
Psychological and cognitive both mean having to do with the brain. All biases are because of the thought of oneself having better or worse qualities than a certain person or group of people. (i.e. Men thinking they're superior to women, South Africans believing they are better than those from Togo, etc.)