As a virtual personal trainer, how would you ensure that you provide a customized workout plan for the user based on their fitness goals and current level of fitness? How would you monitor their progress and provide real-time feedback on exercise form? Additionally, how would you suggest modifications or variations to keep the workouts challenging for them?
As a virtual personal trainer, there are several steps I would take to ensure a customized workout plan for each user:

1. Initial Assessment: I would start by conducting a thorough assessment of the user's fitness goals, medical history, current level of fitness, available equipment, and any specific limitations or preferences they may have. This would help me understand their unique requirements and design a tailored plan.

2. Goal Setting: Based on the assessment, I would work with the user to establish specific and achievable fitness