I feel like I have never worked hard to stay slim, would eat what I wanted and didn't exercise and although fluctuating by a few pounds, stayed a size 8.
I would regularly eat a 100g or sometimes even 150gm massive bar of chocolate. But as other posters say, if I ate that, it'd usually be at about 6pm, 7pm that I get that craving so I would eat that, and end up not eating any dinner that day instead. So basically, I self-regulate naturally, which is why I don't put on weight.
And for example, yesterday at lunchtime, I started a big bag of tortilla chips and a cut-up cucumber and a tub of hummus. the last time I had crisps was probably a year ago because I don't usually like them and I have never eaten a whole tub of hummus in one go before I know just how much fat and calories are in it. However yesterday for some reason, I fancied it, so I started eating it at lunchtime, and so there was no way I was gonna have dinner on top of that, so it was my lunch and dinner.
However I've realised that chocolate or crisps dinner, and doing no exercise, is not good for me, and I was lulled into thinking it was fine because I was still slim. But I'm actually worried about my arteries, heart, organs etc!
So due to this lulling into a false sense of security, during a stressful period last year where I was eating a lot more chocolate than usual (and I do eat a lot of chocolate), I put on half a stone, which I actually haven't been able to shift since. That's because I've never had a diet mentality, I literally was aghast at the idea of ever feeling hungry or not eating what I want when I want to lose the weight.
So for the first time in my life, I am realising I am going to have to work hard. I think the reason I've put on the weight is that I'd stopped self-regulating as well- I would eat the chocolate AND the dinner AND some more chocolate probably.
I am absolutely addicted to chocolate, I would eat it every single day, so for the past 6 days I have actually banned myself from chocolate for the first time ever. Just to break the addiction. I have tried to do this before, but started too big by banning myself from sugar or banning myself from unhealthy foods and I would always break that within days because it was too big an ask. So I'm starting with 21 days without chocolate- and I'm so proud that I'm actually managing it!