Rather than going cold turkey, a more sustainable way would be to find a good replacement for sugary foods. Every time you feel like snacking on something sweet

Rather than going cold turkey, a more sustainable way would be to find a good replacement for sugary foods. Every time you feel like snacking on something sweet, choose a healthier option like nuts instead. In the early stages, it can also help to have "cheat days" for every sugar-free period. It's more a marathon than a race, and it's important to take regular breaks as needed.