Robert Maxwell wrote:
"Rejoined" also muddies the waters, because it's not about Jadzia being attracted to a woman, it's about rekindling what was--once again--a heterosexual relationship.
Avery Brooks, who directed that episode, stressed that the significance wasn't on their gender but on their Symbionts and the past lives they had once shared. That's the way it should have been, have a relationship between two people, regardless of gender.
Since Trek has wussed out of having any kind of non-heterosexual main character, whenever they do include one if they are anything less than First Officer then there isn't much point. When they do include a gay character, it should be part of who they are, not their defining characteristic.