Mary bought a big calendar and tacked it up on the fridge. Then she made each of the girls mark down their cycles so that they could determine their safe days. You'd think she was asking them to choose which finger they wanted to cut off, for all their complaining. Mary knew better than to ask Michael to be regular about his activities. They would all have to play by ear and figure things out as they went. Fortunately, all three girls lived at home and they all had different schedules with school, extracurricular activities and, of course, church. That meant at least one sister would be available at all times. With everything set up, Mary wanted to get things started as soon as possible. Fortunately, her son was on the same wavelength. That very next evening, after dinner, she heard musi

