Idiom
more one thing happens the more another thing happensthe more (one thing happens) the more (another thing happens)
as one thing happens repeatedly, something else happens or becomes likely.The more Sheri thought about this, the more sense it made.
Usage notes: also used in other similar forms:
The more you think about not eating, the hungrier you get.
the opposite meaning is expressed by the more one thing happens, the less something else happens:The more time goes by, the less we seem to have achieved.