My headcanon was always that - regardless of the sexuality of the host prior to joining - the past memories of other lives via the symbiont meant that most joined Trill were low-key pansexual.
This isn't just based upon the same sex relationship Dax has in Rejoined. It's also due to some of the comments the male future Dax makes about his memories of her relationship with Worf. Just having the memory of being on both sides of the sexual equation means they're less likely to totally rule anything out - no matter how desire works for them in their current body.
This isn't just based upon the same sex relationship Dax has in Rejoined. It's also due to some of the comments the male future Dax makes about his memories of her relationship with Worf. Just having the memory of being on both sides of the sexual equation means they're less likely to totally rule anything out - no matter how desire works for them in their current body.