When I was like...idk maybe 5 or something, we have a jungle slip and slide. We were inflating it and left it on our concrete floor outside until my mom could set it up on the grass. My brother insisted on me trying it out then and there without the water or anything, and me being as excited as I was, I went for it. I ran, threw myself on the slide, and banged my head straight onto the floor, causing a gash near my eyebrow. My abuelita cleaned it and we let it heal on it's own. I cried...a lot.