Amount of food in the stomach. You could be absolutely full but the alcohol is still going to absorb into your blood stream at the same rate as if you were empty.
Social relationships can improve or harm health...Improve is first : you can get to learn new things that can help you in life that would make your social relationship better like how you speak to someone. Now here is harm health : first you can get stress out from things that's is going on between you and your peer
It can be passed on to others.