Sometimes I feel like I have an empty stomach even when I know I had a snack not to long ago. Just a guess, but I wonder if it's the feeling of the stomach shrinking down to a normal size.
Anyways the way I like to keep myself on track is to have my fridge full of bottles of water and green veggies or salad ready to be eaten. That way I can munch on those instead of something with more
calories. If I'm out and I start feeling hungry it can be tempting to get a burger or some pizza or a sub but I've found if I remind myself of number of
calories in these foods and really think about that fact I'm trying to cut at least 500 a day...... doesn't look so appealing. If you still find you get craving try only taking an amount of cash you will be spending for the day or bring a bank card. I'm not willing to pay an extra bank fee so that I can use my card to buy junk, so I don't buy it. I wait till I get home and munch on healthys.
Anyhow best of luck to you.