A stronger choice is not automatically louder, stranger, or more emotional. It is more specific. You know what you want, why it matters now, and what you are willing to do to get it.
Replace “I am angry” with an action toward the other person. Make them admit they lied. Force them to stay. Win back their respect. Protect them from seeing your fear. Then choose behaviour that serves that action and fits the circumstances. A strong choice also leaves room for the scene partner to change you. If your plan cannot survive contact with another actor, it is a pose. Before the next scene, finish this sentence: “By the end of this moment, I need them to...” Make the answer playable, then test whether the text supports it.