Dreaming of the sea or lakes or rivers, I don't know. . In short, it is boundless. The water is not too dirty. You can swim. . Please tell me what this is, my friend.

There is no scientific basis for dream interpretation, because it can't be practiced, but some dreams can. Just do some basis and you can't believe it 100%. As for your dream interpretation, I don't know, but there is a famous book about dream interpretation written by Freud, which is not credible, but you can read it and maybe find the answer on it.