Imagine You Have a Friend Who Is Typically Quiet, Thoughtful

Imagine you have a friend who is typically quiet, thoughtful, and reserved.However, when your friend drinks, you can never tell what he/she is going to do.One minute your friend is dancing wildly and having a great time, but the next minute your friend is reacting aggressively to being slightly nudged by another dancer.Describe two reasons presented in the text for why alcohol would have such an effect on your friend.