I'll give you a preliminary analysis and give you a reference. I don't feel too worried about the landlord's dream, and it's not a big sign. Right? Don't worry.
3. Keeping your mouth shut means that the landlord has secrets. Your secret may be coming soon, or it has been known by people around you. It may not be your sister, but she just may. She represents all the people close to you.
It is suggested that the landlord be careful recently and don't tell anyone anything that needs to be kept secret (not necessarily his own).