Most people quit on the plateau. Plateaus are just the part of the map without a view.

A plateau is what improvement looks like from the inside, when the gains have moved somewhere you cannot measure. Consolidation is happening and it does not show up on a scoreboard, so it feels identical to having stopped. Most people leave at exactly that point, and they take the jump that was about to arrive away with them.

Change what you track when the main number stalls. Watch consistency instead, or the quality of one small part of it. Give it more weeks than feels reasonable before you decide anything.