Not that often, but it's fun. I got up there because this guy here wanted me to--

[He was pointing some distance away, where he had left his Nidoran was before, but he wasn't there anymore. Whooops. OH well. He'll find it later]

U-Um, nevermind...anyway, it's not that big of a deal. Just jump in and let the thrill overtake you. Also scream if that makes it easier for you to have fun.