what does it mean by a "dog person?"

A person who likes dogs more than other animals, generally cats

Or another way to describe "someone who is obidient and loyal"

devoted, submissive, faithful

always want your attention, loves being spoiled, hates being alone, happy when seeing you, will hug you when there's chance, gets jealous when other human is approaching you, will be sad when you refuse to give your attention, will loyal to you and wait for your arrival. woof!