@mightyheart I went through exactly the same, honestly. We had no schedule at all and she ate every 1.5hrs to 3 or more. It was impossible to keep track of what was going on, when she'd be hungry again. I couldn't decide if she was eating too much or too little, but if she asked for food and ate it, then she must have been, right)
The day the doctor told me I should be on a 3h schedule, something just changed in both me and baby. Maybe it was a coincidence, but just maybe I was reading her wrong and she wanted comfort instead of food. I made it a point to keep walking if she was asleep in the stroller so she'd continue sleeping until it was time to eat (or keep holding her, offer a pacifier, white noise, whatever works for you to stretch the time). Life got so much easier. At 3 months we had already established set feeding times: 7am ish, 10am, 1pm, 4pm, 7pm then 11ish. I can't imagine going back to the life of chaos now.