Cloud shrugged. "It wasn't easy." He could see that Wanda didn't entirely comprehend what he had told her, and debated whether he should tell her more. In for a gil, as they said. "The Lifestream is the source of the planet's life. It contains all of the experience, memories, and knowledge of the planet and everything that's ever lived there. When you're exposed to it, those memories overwhelm your own." His history was more complicated than that, but Cloud's exposure to the Lifestream and the resulting mako poisoning had primed him to break. At the moment, he didn't care to go further, to explain the nature of the experiments, how he had found his way into Hojo's labs, or Zack's eventual fate.
"Sorry if I scared you," he apologized. "Guess I'm a little too used to looking for trouble." He glanced over his shoulder at the carnival. It wasn't his kind of fun, but he knew how much the children enjoyed festivals, and he remembered how delighted Tifa, Aerith, and Yuffie had been at some of the rides at Gold Saucer.
Cloud wasn't a fan of amusement park rides, truth be told. His motion sickness had a habit of showing up when he wasn't the one driving. But, for a friend ...