What would happen if you could fly whenever you wanted? When would you use this ability?

What would happen if you could fly whenever you wanted? When would you use this ability?

If i had the ability to fly whenever i wanted i would choose to fly to any tropical island, so that i could forget about anything and everything and just relax and forget about anything and everyone that ever hurt me. Then i wouldn't have to worrie about anything else. I would just be having the time of my life and thinking about my self