When I was a kid I was walking around a pharmacy with my dad. I noticed these bright colored boxes and asked my dad what they were. He explained that they were condoms and explained what they were. I noticed that some were sold together in bulk and some were sold with only 2 together in a pack. I asked him why and he said "oh they sell two together for high school boys ... One for Saturday and one for Friday" . I then noticed there was a pack of 7 together and asked him about that. He said it was for single college guys, one for each day of the week. I saw another box that had 12 and he just sighed and said those were for married men .... One for January, one for February .....