A relationship for someone with CPTSD requires the ability to feel safe always, sex and Intimacy has its own unique level of trust required in order for it to be viable.  If you don't have trust and you don't feel safe it will be extremely difficult to be successful at Sex and Intimacy with your partner, no matter how much you love them.  Please listen to my show about my struggles with Sex and Intimacy because of my CPTSD.