Your primary role in a discovery call is not to solve a problem, but to guide the prospect to clearly articulate it themselves. This act of achieving clarity is a valuable service that builds immense trust and provides the prospect with a sense of relief, even before a solution is discussed.
Clients often describe their issues using sterile metrics (e.g., a 20% close rate). This is just 'intellectual reporting.' A top salesperson must dig deeper to uncover the tangible pain, the personal or organizational 'hurt,' and the economic consequences that these surface-level symptoms create.
Prospects become invested in your solution only after they are fully convinced you are invested in their problem. By intensely focusing on understanding their true challenges, you transfer your obsession to them, making them eager for the solution you'll eventually offer. This shifts the dynamic from selling to shared problem-solving.