When to Stop Eating?

I had gastric sleeve almost 1 month ago. Obviously, the sleeve knows when it’s had enough. However, sometimes after I eat, I spit up and/or burp up some of the food I ate. I have found by slowing down my eating and taking smaller bites helps and eating smaller, more frequent meals throughout the day helps.

My biggest fear is stretching out my sleeve, therefore, I’m trying to avoid eating to the point my sleeve tells me “no.” I feel I should be stopping before.

Just curious, when do some of you stop eating? What works? What doesn’t?