I agree with Homebody and Bogertophis. Lots of snakes go off food this time of year. It seems to happen with males more often but some females also fast during the winter or breeding season. I have 3 males that aren’t eating at the moment either. They went off food in February and they’ll most likely fire up again in a month or two. I only offer them food once a month once they begin their winter fast. They do this every year without any issues so I’m not concerned. Just make sure your BP has plenty of fresh water until he decides to eat again.