In this dream, the water in the canal symbolizes emotional problems. The memory is clear and others can't see it, which means that she feels deeply in her emotions and only she can understand it. Even if others were good friends, she never mentioned it. So others can't see it in their dreams;
It is obvious that you are holding back other girls.
She doubts your feelings for him, but
She wanted to suppress her thoughts as much as possible, so she had a dead brain. In fact,
It was she who suppressed the speculation about you;