They do indeed
I got offered a knockout job, but am still waiting on doctors opinions first with the anaesthetist(sp) as I have quite a dodgy sleep issue as it is and sometimes being able to sleep nearly 36 hours out of 48 can be a bit bloody scary.
(Mensa Reject has gone out, I'll be back on, Fri 28 May 2010, 2:05, 2 replies)

This might cheer you up....
www.youtube.com/watch?v=uakYZrtHpSA
( TheFinch is getting to grips with the complex plane on, Fri 28 May 2010, 9:24, closed)

And this might not.
www.b3ta.com/questions/matron/post660541
( TheFinch is getting to grips with the complex plane on, Fri 28 May 2010, 9:35, closed)