Your inner healer is absolutely right and the others are wrong. To broaden this, to eat food when you do not want to is like rape-- being forced against will to have sex. So just drink pure water. See site below for more on this. Many have gone over 40 days with just pure water.
For acid system reduce or eliminate animal and processed foods. Eat more fruit and vegetables. Once I ate only grapes for 11 days but for 2 days I only wanted pure water. Grapes are a great cleanser but eat on an empty stomach.