The seat was occupied, and I was old, and I didn't wait for him to accompany you.
The two dolls you fantasize about are symbols of two pet pigs.
The drowning woman is herself. The sea symbolizes your separation from the social crowd. That heartless boy tricked you into staying alone for him until he was old and out of normal social life, which made you feel embarrassed to be rejected by society.
Many times, people will have a dream over and over again. Once you see through the meaning of this dream, you won't do it again. Conversely, I will use other dream plots to express my inner dreams.
This is the subject of dream interpretation. The specific details need to be further discussed.