Surprise AF

My husband has to leave for training in a few days for a month. I wasn't expecting AF to come on until another two weeks but she popped up tonight. I had a whole sexy performance a bed for my husband (cry). AF leaves the exact day my husband leaves but he's not into period sex. I know it's not a big deal to some relationships but What can i do to lessen the bleeding or maybe convince my husband to be more into period sex? Has anyone tried the "menstruation cup"?