Part of me thinks backdooring Jeff would be the best move for Dani at this point. There's at least a chance Brenchel honor their agreement with her. Jeff and Jordan won't be showing any sympathy to her, and they'll nominate her for eviction for sure if they won HoH.
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"Why must we always choose between certain death and probable death?"
"I'm in an epic battle to the death, FIGURE IT OUT YOURSELF!"