Expand your comfort zone. A great way to use free time usefully is to discover new things and to find out that you have dimensions to yourself that you weren't even aware of before. By stepping beyond your usual comfort zone, your free time becomes a journey of self-discovery and helps you to grow. Moreover, it helps you to stay interested by sparking your curiosity and broadening your awareness. Some things you might consider doing to expand your comfort zone include:Make a plan for your free time. Free time will only become useful to you if you've focused on how you'd like to use it. Simply expecting free time to turn productive, creative, or fulfilling won't bring it about because you haven't thought about the process needed to fill that time effectively.