Cats often follow their favorite people around as a sign of attachment and to seek affection or attention.
Affection
If you typically feed your cat after entering certain rooms, they likely follow in anticipation of a meal.
Food Cues
An understimulated cat may shadow you looking for entertainment and interaction to cure boredom.
Boredom
Cats with separation anxiety commonly follow their person closely from room to room.
Anxiety
Exploring movement and investigating interesting smells and sights compel some especially curious cats to follow.
Curiosity
Some cats perceive their owner as belonging to them and follow closely to keep "possession."
Possession
Dedicate focused play sessions to fulfill your cat's needs for activity.
Make Time to Play