In Disney's Frozen II, Anna attempts to control Elsa with unilateral promises. This article suggests that people who try to control others in personal relationships are deflecting responsibility from themselves and rendering their happiness contingent on others.
>https://www.psychologytoday.com/us/blog/when-kids-call-the-shots/201711/do-you-have-controlling-personality?amp
It claims the controlling person does so because they want to avoid addressing the real root of their problems, which is internal.

While Anna may have confronted her worst fear of losing Elsa, that was an external problem. While she did get up and continue aimlessly, Anna never got to meditate on her fear. She kept her problem an external one until everything was resolved Elsa ex Machina. So what does Anna really fear that even she is in denial over? Does she fear being alone again? Can she not handle solitude? Is she so dependent on others that if she was in a vacuum she would seize to exist? Is Anna not the person she wants to or knows she could be?