thanks for the replies, i'm having a lets ask my virtual friends day.

AllyL you are right I didnt put the weight on overnight so it wont come off straight away,

sweetpeasue I dont know what PMK is but I too am going to look into it.

chilla
I used to go swimming but gave it up when I moved here about 10yrs ago.Shall think about taking it up again, the thing is I know I should lose weight as my back is suffering and I am finding it difficult to walk with out getting out of breath.

thank you all so much for your kind advice.