I don't think sex and emotional intimacy can be compartmentalized against the rest of the relationship. There has to be other points of pain.
If a guy can get through his early teens without a relationship, surely he can survive the same situation as an adult? That's probably what my wife figures.
And if you grew up with a sister, same thing. That's not a problem, right. So, for some people, it's not that there is this huge amount of pain and dysfunction and crisis and arguments. Some couples have learned to separate the sexual issue. The question for them is, how to reintegrate sex in a relationship that has become a friendly and brother-sister, who just happen to agree to disagree about something.
