Well if it was me i would tell my Best Friend. Why? because she is my best friend i can trust her. If he doesnt accept it then it shows he is not your true Best friend

A "best friend" by definition is someone you can always share with. Maybe this friend who taunts you isn't really.

Well, I'd say tell him, but sit down with him and tell him seriously about it. People (friends especially) like to tease about stuff if they don't think it's serious, but are generally understanding and more kind about it if they know it is.

I too suffered for years from Schizophrenia. It nearly wrecked out lives but we are all right now.

I don't see how a borderline personality disorder has anything to do with abandonment issues. Do you mean your friend thinks you make up shit so that he or she won't leave your ass?

I wouldn't. It's no one else's business, and why would you want to bring your relationship down that path...? You have a direct effect on how people perceive you and feel about you. Do you really want someone seeing you as someone who has some kind of 'defect'...? Everyone has things about themselves that they have to deal with, and it is within their internal sanctum. It is easy enough to understand that if someone else starts revealing to you their internal problems and self doubts that your image and perception of them inevitably changes from that point forward. It is harder, however, to realize that you would be doing the same thing to yourself by revealing such personal and private matter about yourself to someone else, regardless of them being considered to be a friend, or even a 'best friend'. Regardless of people's definitions of what a 'best friend' is or should be, this has to do with your personal inner world and how you deal with others within your own mind. In the interest of your own highest good, and in the interest of presenting yourself in the most acceptable and positive manner to others, this is not a subject that should be disclosed to anyone who is not a professional and how is trained to assist you in dealing with it. Should you choose to disclose this to anyone else, then you must also accept that you are responsible for any changes in how you are perceived or are treated as a result of labeling yourself and presenting yourself as someone who is 'defective' in this manner to others people, including your friend. My suggestion is to hold yourself in higher esteem, and to realize that you deserve to be seen by others on the basis of how you present yourself and are perceived by them alone. There is no benefit to revealing any 'disorder' or 'mental defect' to others who have no stake in 'fixing' you, nor should they be placed in that position even if inadvertently by such a disclosure.

tell your doctor to prove it to you before you believe you really have a chemical imbalance, ask them what control subjects were measured for "normal" balance and what tests they did to determine your supposed "imbalance" wtf is borderline personality disorder anyways, it sounds like a vague psychic reading to me... pretty soon they will be dispensing new pills for nothingwrongalitus. formerly a cheap placebo but very costly for hypochondriacs who still visit their doctors regularly.

No. Don't tell anyone, especially not someone who is insensitive about your problems. Internal documents leaked from the drugs companies show they aim to get 50% of the population on psychotropic drugs by 2025. They're going to tell everyone that we're mentally ill. Don't let those bastards put you on their mind bending drugs. Hardly anyone really has a chemical imbalance. The vast majority of people with a "disorder" are just having a tough time right now. If you start taking their drugs then pretty soon you really will have a chemical imbalance and then you'll be screwed up for life.