“Hey man I have a feeling you like me, so I just want to be up front and say I do not feel the same way to save you some time. I am also going into the nursing program and will not have a social life soon.” Tbh im not sure what mentioning the nursing program would have to do with not liking him back, might just insinuate the reason you don’t like him back is bc you’re too busy to be with him—which could give him the wrong idea of why you don’t like him