Addiction
Noun
the fact or condition of being addicted to a particular substance, thing, or activity.

Addicted
Adjective
physically and mentally dependent on a particular substance,
and unable to stop taking it without incurring adverse effects.

enthusiastically devoted to a particular thing or activity.

Baby, I'm addicted to you
You are my addiction  
I need you every single day to stay alive
I need you so I don't go insane
You leave me and I go cold turkey
Breaking out into cold sweats
Not being able to move
Dying without you

Time apart is going to **** me
My insides will start to feed off of itself
My eyes will burn because I will run out of tears to douse the fire

My skin will feel like it's ripping itself apart to move closer to you

I will grow wings to migrate wherever you are

I will go deaf if I am not able to hear your voice anymore

I will lie for you
I will die for you
I would do absolutely anything to keep you alive and safe and well

You
Are my addiction
And I need you
Need you for everyday that I am breathing
Everyday that my heart is pumping
Every second that I seem to be alive

I can not let you go
Can not let you out of my system
Can not let you leave without me
Move on without me
I am coming with you
I will never leave you
For you are my addiction
For you are mine