This could go on for thousands of years, but I won't betray him and I don't want anyone else, even my passion for fantasizing about sex has disappeared. How can I ease my suffering?
For sexual energy. Look up Mantak Chia, he has the resources to guide you to direct your sexual energy in a way that you desire (inward, circulating).
For the second question, there is no other "solution" than to deny your human nature, which then results in various types of damage over time. You really should accept the fact that you are part of a greater collective, and that you function as a part of it.