BB - I have lots and lots of wobbly bits but have been to some days and one wonderful overnight stay at a posh hotel/spa. It's fantastic, and you can do as little or as much as you want and if you don't like something just leave (I left a dance class when I decided that I was the most un-coordinated person in the world!) The staff are there to make your day as good as possible. Your sons girlfriend must think a lot of you to give you such a great prezzie!