EP05
第一部分：Sex is bound to change. When artificial womb is affordable by everyone，we reach the question - what is to become of sex activities？
第二部分：When we can choose to have sex not for reproduction purpose，what will the human society be like？When technology can offer the best of ourselves（no diseases，more parents），how many people can accept the idea of raising their children with other couples？
• Sex may always be part of the nature，but only for recreation，not necessarily for production.
