Your bloating usually isn't about what you ate today. Your gut is full of tiny bacteria, mostly the good kind, but over the years the gas-making kind can multiply until they start to outnumber the good ones. Every time you eat, they ferment your food and pump out gas, and that gas building up is the bloating, the pressure and the tight waistband. Cutting out foods only starves them for a day or two, so the bloating always comes back.

So the real fix was never about the food at all. It's about the balance down there. When there are too many of the gas-making bacteria, almost anything you eat gets turned into gas, which is why changing your meals never quite settles it. The only thing that does is tipping that balance back, so the good bacteria outnumber the gas-making ones again and far less gas gets made in the first place.

The good news is that balance can be brought back, and there's a simple, natural way to go after exactly that. Most people notice it within a couple of weeks, less puffing up after meals and a flatter, calmer stomach by the end of the day.
Based on everything you've told us, here's what we'd point you to.