After a good start to my new year's diet I'm finding myself going down the slippery slope again. Although I'm not due to weigh myself again until tomorrow morning I have a fair idea that I'm likely to be back where I started at the beginning of the month.

I haven't had any major problems, like a chocolate binge, but I'm just not stringing together enough good days to keep my weight going down.

What I'm finding is that in any given week one bad day can easily undo the other six good days, and I'm having enough trouble managing six good days.

This week has been spoilt by a buffet at work which my boss insisted I ate and a meal out on Friday with huge portions. It's the portion control I really struggle with - I just cannot leave anything on the plate going to waste.

This is OK at home where I can cook less, but when going out I am at the mercy of the restaurant. By the way, the pub/restaurant concerned, The Old Spot in Arnold, Nottingham, is highly recommended, although not perhaps for dieters unless they have a lot more willpower than me!

The staff there were all extremely friendly, helpful and professional. The restaurant was spotlessly clean and big enough to spread out a bit and the food was not only excellent tasting but incredible value (we had some vouchers from the internet). It's the first time we've been there but it won't be the last.

Anyway, back to the weight loss (or lack of it). It looks like I'm going to have to start again tomorrow. Maybe it's time for something drastic to really get things going.

Whilst sensible weight loss of a couple of pounds a week is the best way to go, if you have a bad week it's too easy to undo all of the good work. I need to crash through the 90kg barrier to give myself some impetus to get down to the 75kg I really should be.

It's exercise that's really let me down. I'm finding it so hard to motivate myself to do any sort of exercise which I need to burn off the calories. I'm going on Ebay now to look for some cheap exercise equipment.