GMEB does absolutely nothing for me even though I am awake at that time. You have taken over from Waterboatman and with all it's contributors have made a success of it and it will be in the secure hands of Murraymints.
A knee replacement, contrary to many posts is not a stroll in the park, you will get pain but this will be controlled .
All the best Emmie it will all be worth the inconvenience, but do not expect too much too soon.