What is the best TEACHABLE Survivor Perk in game right now?

Bond Prove Thyself Leader Sprint Burst Adrenaline Quick and Quiet We're Gonna Live Forever Dead Hard No Mither Left Behind Borrowed Time Unbreakable Empathy Botany Knowledge Self Care Up The Ante Open Handed Ace In The Hole Saboteur Calm Spirit Iron Will Streetwise Balanced Landing Urban Evasion Technician Alert Lithe View results Bond 0% Prove Thyself 0% Leader 0% Sprint Burst 0% Adrenaline 0% Quick and Quiet 0% We're Gonna Live Forever 0% Dead Hard 0% No Mither 0% Left Behind 0% Borrowed Time 0% Unbreakable 0% Empathy 0% Botany Knowledge 0% Self Care 0% Up The Ante 0% Open Handed 0% Ace In The Hole 0% Saboteur 0% Calm Spirit 0% Iron Will 0% Streetwise 0% Balanced Landing 0% Urban Evasion 0% Technician 0% Alert 0% Lithe 0%