Actually, they both, the woman and her husband knew about the allergy on some substances contained in the husband’s sperm, though they often neglected using condom. According to the doctors, they did their best to rescue the patient’s life, though without success. Allergy on sperm is very seldom, though it causes serious troubles. The troubles of the couple started a year ago, just after they married. The woman suffered from asthma and felt badly after sex, though sexual appealing turned out to be more powerful than her illness.