just a p.s. to what I posted... I realised last night how much of an addiction SI is at the mo- I can't go to bed at the mo without doing something to myself. I do it without even really realising it... but the urge is so great I HAVE to do it or i cannot sleep because of the thoughts. But this has happened before and I have come thru it, so i will just have to 'weather the storm' for a bit...