Summarize the following:
You also have the right to maintain clear boundaries about what types of negative behaviors are not acceptable to you.  Part of setting a boundary is following through with consequences if they are violated. Be clear about what breaking your trust looks like and what will happen afterwards. You are not being mean if you stand your ground and end a friendship because of this broken trust. There are no hard and fast rules as far as how long any friendship lasts. Sometimes, friendships just end for one reason or another. If you seem to have outgrown your friends because they are often engaging in bullying or immature behavior, you may choose to distance yourself.  The biggest part of self-care is taking ownership of your happiness.  There is no friend that is more important than your own happiness and security. Learn to tap into your own measure of stress and see what patterns cause you the most stress. If there is a friend at the center of much of the stress, move on. This may be another friend, a coworker or even your parents. Explain to this person what’s been going on and ask for his or her sincere advice. You might say “Hey, Mom. Were you ever friends with someone who sort of picked on you?...What did you do?” Recognize friendships that have changed into challenging and draining battles.  Use strong personal boundaries to step away from those negative relationships and spend time with people who are supportive and value what you bring to the table.

Summary:
Recognize that you have a right to feel safe and secure in your friendships. Decide if you want to keep being friends with mean people. Talk to someone about it that you trust. End friendships that do not positively influence your life.