Final answer:
Paul exhibits characteristics of a workaholic or an individual devoted to his career, likely in an executive or professional role that requires formal attire and entails long hours and constant availability via cell phone.
Step-by-step explanation:
The behavior described aligns with common depictions of a workaholic or an individual heavily invested in their career. Eating lunch at the work desk and the reluctance to take breaks can suggest a high degree of devotion or pressure associated with the job. The description of needing a cell phone at all times could indicate a position where Paul is expected to be constantly reachable, such as in certain executive roles. Moreover, putting in 10-hour days at the office is another strong indicator of someone in a demanding professional setting, where their job may require extended hours of work, often at the expense of personal time and work-life balance. The mention of a suit as an employment requirement suggests a formal work environment, potentially in corporate, legal, or financial sectors where traditional office attire is the norm.