People often struggle to refuse requests because they prioritize social expectations over their own long-term interests. To combat the habit of making impulsive emotional commitments, he suggests using the phrase "let me think about it" to create necessary decision-making space. This pause allows for a logical evaluation based on four key metrics: time, opportunity cost, financial impact, and physical effort. Antonio argues that by analyzing these factors, professionals can identify when a favor is unreasonable or detrimental to their business goals. If a direct refusal feels too difficult, he recommends offering a manageable alternative, such as a virtual meeting, to satisfy the request without overextending oneself. Ultimately, the source emphasizes that protecting one's schedule is essential for maintaining professional velocity and personal productivity.