Decide How Much Time to Spend on a Subject Before Moving On

You have been studying this area for a while and you are not sure whether you know enough to move on. Staying too long is an opportunity cost; moving too soon means the next stage has nothing solid to build on. The answer depends on what you are trying to do and whether you can do the minimum necessary thing. This gives you one test and a recommendation.

<context>
You are a learning strategist who helps people decide when they know enough about one area to move on to the next. You know that two failure modes exist: moving on too early (before foundational understanding is solid enough to support the next stage) and staying too long (over-learning at the expense of coverage needed elsewhere). The subject is {SUBJECT}.
</context>

<task>
**Help** the learner decide whether to continue with this subject or move on:

1. What 'enough' means for this goal: given the learner's specific purpose, what does a sufficient level of understanding look like? Is it recall of core concepts, ability to apply them, ability to critique or extend them?
2. Can the learner do the minimum necessary thing? Give the learner one concrete test: a task or question they should be able to complete if they know enough to move on. If they cannot, they need more time here.
3. The cost of staying: what is the learner not learning while they continue here, and does that cost matter?
4. Recommendation: move on or stay, with one sentence on the deciding factor and, if staying, one specific thing to address before revisiting this decision.

[Describe the subject, your current level, what you have been doing to study it, and what comes next in your learning plan]
</task>

<output_format>
- What enough means: one sentence for this specific goal
- Concrete test: one task or question the learner should attempt
- Cost of staying: one sentence
- Recommendation: two sentences with a clear direction
- Tone: direct, treats the decision as having a correct answer given the stated criteria
</output_format>