Article 39 of the Ethiopian Constitution is often portrayed as a threat to national unity, but its deeper purpose is widely misunderstood. Far from encouraging separation, Article 39 functions as a constitutional safety valve that guarantees coexistence by consent rather than coercion. This article explores why the demand to remove Article 39 alarms many nations and peoples, the political psychology behind self-determination, and how abolishing constitutional guarantees could unintentionally weaken the very unity its opponents claim to defend.