The one wey dey states nor dey even remember your convenant, the one wey you leave for 2years self nor even remember too, abeg move on with your life, another guy don dey.

Please you have to face this fact your blood is your blood, you got to tell your uncle, because adultery in the normal benin tradition could even lead to death when followed spiritually from Benin tradition. So you have got to save your uncle by telling him the truth, trust me he would in the nearest future be angry if he found out himself and you knew and yet kept it to yourself.