If you are having a real panic attack you have kicked up your adrenalin and that is one of the reasons why we pace. We are just to jittery to sit still.
Even if I am in tears due to the panic, I will still need to get up and move.
I am sorry you are going through this right now. I don't use IM as I used to get flooded with people wanting to chat and the same with twitter etc. I just like to come here and post my thoughts and help others.
Lots of people like IM and I suspect someone would love to be your chat buddy. Even here in the chat room's. You can always check out the rooms to see if there are any non scheduled conversations going on and join in.
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"When you find peace within yourself, you become the kind of person who can live at peace with others."
Not a mental health professional of any kind
Clickable Link: Anxiety-Panic Resources