<span>a. tearing or stretching of a joint with mild ligament damage.</span>
Alcholicism kills brain cells and two suggestics would be to go to a rehab or speak to a therapist
Anger can also be a substitute emotion. By this we mean that sometimes people make themselves angry so that they don't have to feel pain. People change their feelings of pain into anger because it feels better to be angry than it does to be in pain.
I would say that if she is being mean you can first try to talk it out with her (because relationships may take work sometimes and if she is really important both of you will be willing to put in the work), but if that doesn't go well and you really don't think it is going to work you should go to your other friends or family for support especially if she was a very important part of your life.