Acid made me fat?

I am to be sleeved next week and am on the pre op diet. Let me tell you I have been hungry! A few nights ago I felt a little acid (heartburn) I dismissed it because I am certainly not eating any of the trigger foods that cause reflux. Well last night I felt it again so I took 20 mg of Famotide (sp?) and poof, this morning- not hungry. Anyway here is what I learned, acid make us pre-ops hungry too. I have had heartburn once a week or so for years. Since it wasn't daily, I took an anti-acid as needed and dismissed it. Now I wonder how much of my insatiably over the years was really uncontrolled acid production. That said acid didn't make me over 250 lbs but I think it contributed. As I go down this journey, I am grateful at the self-awareness this process facilitates.