Skipping meals sends my sugars off track

you know i think the same thing happens to me, though i don’t skip meals i’m very skimpy on food and eat very little for lunch and supper, today i have eaten very little and my sugars have been off the hook around 200 or more and i’ll avoid food thinking it will make them worse! but as soon as i took a unit of novorapid and ate a good supper my sugars went down to 120… strange