Make progress visible
A word count can be encouraging, but it is not the only form of progress. Clarifying a section, resolving a structural problem or deciding what a chapter must achieve can remove hours of uncertainty from later drafting.
Writers are more likely to return when they can see what changed during the previous session. A simple record of completed decisions can provide a stronger sense of movement than an ambitious target that is repeatedly missed.
Reduce the size of the next decision
The instruction to write a book is too large to act upon. A smaller decision creates an entry point. It might concern the purpose of a section, the order of two ideas or the pressure within a scene.
The value of a manageable decision is not merely psychological. Each resolved question reduces the number of competing possibilities that the writer must carry into the next session.
Leave a clear return point
Stopping at a useful moment can help protect momentum. A short note about the next decision gives tomorrow’s writer a place to begin without preserving any work in an online service.
Sustainable progress is built through repeated, truthful contact with the project. The useful question is not how quickly another writer works, but whether your own next step is clear enough to begin.