trouble loggin on ok now but need help!!!

im having trouble getting in the right mindset just been reading older post then stumbled across my original newbie post and all the replies of good luck i recieved i start off with all good intentions(except the excercise ive cracked that 30 mins everyday) but then im back to square one i feel embarrassed to log in :sigh: because i feel a failure after all the good wishes that were sent to me i lost four and a half stone with sw four years ago and put most of it back on :break_diet:but want to start afresh with sf and this site (sorry to go on):thankyou:all help would be grateful