You have High Blood Pressure: That means that your blood doesn’t fit in your blood vessels.
Leaking and collecting: Water leaks out of blood vessels and collects in places like our legs and our lungs.
Cramming, jamming & heart damage (AKA "Heart Failure"): The heart tries to pump blood into blood vessels that are jammed up with too much blood. It's a strain. It's a pain. The heart gets damaged - That's heart failure!
Normal sized blood vessels have too much blood in them (because there's extra water).
Blood vessels have the normal amount of blood volume (amount of water).