 [ Symptoms ] what happens if a guy urinates into a woman is vagina  is it safe is it even possible to happen [ Disease ] that fact that you lost that much weight in less than a week tells me that it is mostly fluid and not actual fat or muscle it would be impossible to figure out the reason for this based on the information you have provided the best thing to do is to let your parents know and see your primary healthcare provider to find out what is going on if it is something like diabetes which can cause sudden weight loss the sooner you get help the better the scary part is not knowing do not delay