What is most likely to happen if the parts labeled A in the image fail to relax? 
Definitions:
Satisfaction
The state of being contented or pleased as a result of experiencing a product, service, or outcome that meets or exceeds expectations.
Purposeful Behavior
Actions taken with specific goals in mind, often reflecting rational decision-making processes.
Costs and Benefits
An analysis or evaluation framework, often used in economics and business, that compares the advantages and disadvantages or gains and costs of a certain action.
Decision Making
The cognitive process of selecting a course of action from among multiple alternatives.
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