S-ON is an online sex therapy and a modern method of clinical intervention for sexual and couple life optimization as well as for female and male sexual dysfunctions treatment. S-ON is an important tool in sexual disorders evaluation, testing and resolution. At the same time, this technique has proven effective in sex education as well as in interactions with other long-distance sexual partners, with the help of the internet, software and advanced technology. In short, the S-ON method we propose in treating sexual dysfunctions and in optimizing intimate and couples’ lives is advanced, scientifically validated and readily available to anyone.