This worries me....should I be?

I really do think that you need to be getting counseling to help you as you work through things. It sounds like you have trouble setting boundaries, making rules for yourself about how close you get and who you talk to about things. This is not easy to learn, but it is important that you work on it so you can be safe and maintain the respect of others. Sometimes it helps to look at the basic feelings behind your actions. Do you tell people things because you feel the need for closeness? Do you want to cut everyone out of your life because you are afraid of being hurt? The needs and fears behind our actions are valid, but we sometimes do unhealthy things to get what we need, and we need to learn healthy ways to feel loved and safe. You are probably pretty vulnerable and you need to be careful about who you choose to be friends with. Find someone who will be supportive and encouraging and help you set boundaries. It is important that you find someone you can really trust to help you. Keep looking until you find the right counselor.