I haven't written particularly much under this topic yet - relationships and sex - but I certainly will do so in the future. I think that it is an utterly important topic, and perhaps the one that is most neglected in connection to spiritual development (somehow people seem to leave this side out of their development, and even quite advanced seekers often say things like: "well, we are still just of flesh and blood: true non-needy love is still too advanced for me in a relationship"). I think that a more proper understanding of these things goes a long way to including these relationships aspects in your practice as well, and hope to show so here in the not too far away future.
Anyway, here is, in the meanwhile, a little link to a facebook post that touches a little bit upon the subject. It should be public and readable by all.
Please enjoy :)