For women the process of corresponding is very important. It is the great pleasure for them to write and receive letters. There is even a category of women who are looking for epistolary relations with men because such relations increase the concentration of adrenaline in blood. They excite women and give them romanticism, which they don't have in the everyday life.
Letters give women the possibility to imagine about different things and to make men play roles, which women want them to play. Women are very curious by their nature and that is why they like to ask questions and to receive answers. Therefore women love letters, love the virtual genre of communication when you can easy ask any questions, receive any information about a person and to understand him. Women like the feeling of mutual understanding with the stranger. Some women can even have several virtual affairs live by them.