Justamum - you're going to change the habits of a life time in a few weeks. You are going to over eat occasionally, IMO thats NEVER going to change, what has to change is your response to it when you do.
People who don't have a weight problem think when they overeat, oh I must cut back a bit now.
People like us that have a problem with food personalise it much more - "I'm such a failure" "I can't control myself" "I'm never going to be able to do this".
I don't succeed in losing weight not because we can't (we've all proved we can) but because we haven't learnt how to deal with setbacks. You CAN control yourself, you have proved you can, just because 10% of the time (probably more like 5% in reality) you struggle with it doesn't make you a failure, it makes you human.
If a stranger said to you 90% of the time I stick to my new regime (say going to the gym 4 times a week) and 10% of the time I don't - would you think "they're a real failure"? No you'd think gosh thats doing well considering they weren't going at all.
As I said to Dotty earlier - our single biggest problem is how unrealistic we are about ourselves. Also it amazes me how little we value what we do well and exaggerate what we don't do so well.
As Jackie said (slightly more succinctly) "we can just start again". Over the coming months (and in my case years), it's really going to boil down to just starting again.
My weightwtchers leader many years ago said to me that the people with a lot to lose who lost all the weight weren't those who lost weight the fastest o made the most changes or miraculously turned into a person who didn't have an issue with food. They were the ones who kept coming. Relentlessly. Who weighed in even if they'd put on weight, who kept coming even if they had several bad weeks in a rows. They were like the Energiser Bunny - they just kept going!
Thats what we all need to do.