The whole Botox thing for pain is interesting because it doesn't freeze your muscles, it relaxes them, hence the usage in this context. So far, I'm liking the pain relief. I'm getting the other side done shortly, so I guess that's when my ability to speak with my eye brows is over, eh?
As another aside, I am using "eh" a lot. It's funny because I use it all the time, but I only really notice it when I'm in England or the States! I best be off now - I just bought a double double (tea) and have a lie down on the Chesterfield for a while I listened to my newly purchased album of Rush's greatest hits. (When we came back through the border from North Dakota, the first thing I asked the woman at the Manitoban tourist information office was "Where's the nearest Timmy's?" and she knew the exact route!