It starts off small.
Creeps into your life.
Under your radar.
You think nothing of it.

It grows bigger.
More prominent in your life.
Noticeable.
You agknowledge it.

It becomes big.
You are now used to it in your life.
Known.
You start to like it.

It is enormous.
You want it in your life.
Wanted.  
You know you like it.

It is monumental.
You like it in your life.
Craved.
You value it.

It is your world.
You cannot live without it.
Needed.
You love it.