Not Much Gender Equality Going On

Do you know what I'm referring to in the title? Duh, the tribe switch! Now there's only one Galang male and one Tadhana female. Gervase redeemed his Borneo swimming and helped Tadhana to the victory. And of course, Vytas, the lone Galang dude, was spared. Who will win the next duel? When is the merge happening? All of these questions will be answered soon!