Update: This post originally identified the male as a Marine. Upon further inspection, the uniform is not consistent with Corps regulations, but those of the Marine JROTC program. The girl in the video, Kaylyn Mintz, is headed to tryouts for the Junior Olympics team. That, at least, would explain how she cranked out so many push-ups. Losing can be tough on the psyche, but losing in front of a crowd in a shopping mall must be brutal. One JROTC cadet is likely licking his wounds after getting trounced by a sandal-wearing opponent in a push-up contest at a mall. “She…