The voice doesn't take a lot of effort now, but in the beginning it was hard to try to find a voice. The one I settled on was just easier to do for a half-hour.
“I always find cardio the most monotonous. Running on a treadmill shows me why hamsters are so crazy.”
“Napoleon had been fighting this army of slaves and free people in Haiti and it depleted his forces. And after the Revolution, when the French were driven out, they stopped and sold this big chunk of North America to the Americans for very little money.”