Rocky is like unstable.

Let go/let go of it is usually used for something physical. For example; let go of the book. Let it go is often used in an emotional sense to mean stop thinking about it. For example; we already had that argument last week. Let it go.

The idea that she has had about being old but being a baby again in your mother’s arms makes sense to her. It sounds strange but when you think about it, it kind of makes sense. The feeling is understandable.

It sort of makes sense