What this means is that it’s likely he will take over and think that he rules the house if you do not make it clear to him that you are the owner and that you are the master in the house.
They’re not very active in the house, to begin with, so they make good dogs no matter what kind of dwelling you call your own.
He is anywhere from 12 to 16 inches tall and can weigh anywhere from 49 to 55 pounds. More or less than this by too much could indicate a health problem that a vet will need to look into.