We went through this with my Grandad's funds and the like.
Pretty much he was heaviely invested in money and the like and after the losses hit the 20k mark, we pulled the plug which was a good thing since that was before the bottom fell out, which would have wiped out pretty much the majority of his retirement.
Like I said, it depends on what you are in and where the high risk part of your portfolio falls as to whether or not it'd be prudent to make such a move and without knowing what KG's portfolio has, I cant really say forcertain outside of making suggestions with 'Here's something to consider' attatched to it.