You're lucky that this is happening sooner than later - but leaving your life-partner? Upgrading for a newer model?
There are about 2 posts a month here with this same story, Been dating a JW, and now it's ending. I'm so in love.
Read about this group online.
Also:
But cults, because they only serve the leader, exploit and pervert that useful habit and, to establish and maintain itself, does everything possible to destroy family ties, and any other secure and conventional anchor in a person's life. This has the effect of strengthening a member's bond with the cult and its leader. From this viewpoint, the cults that promote celibacy and the cults that encourage indulgence in sexual promiscuity are seeking the same ends — the destruction of normal family life and the substitution of dependence on the cult group authority.