DAMGO ([D-Ala2, N-MePhe4, Gly-ol]-enkephalin) is a synthetic opioid peptide with high μ-opioid receptor specificity. It was synthesized as a biologically stable analog of δ-opioid receptor-preferring endogenous opioids, leu- and met-enkephalin.
Its structure is H-Tyr-D-Ala-Gly-N-MePhe-Gly-OH.
DAMGO has been used in experimental settings for the possibility of alleviating or reducing opiate tolerance for patients under the treatment of an opioid. Such treatment on rats, adding DAMGO to morphine administration, showed that after seven days morphine had as much of an effect at the same dosage as the first day when administered together with DAMGO to the rats. Whereas a separate control group of rats that were administered the same dosage of morphine over the course of the same week, but without DAMGO, displayed an increased tolerance and lessened analgesic efficacy toward the end of that week.
I'll be loving you forever
Deep inside my heart you'll leave me never
Even if you took my heart and tore it apart
I would love you still forever
You are the sun, you are my light
And you're the last thing on my mind
Before I go to sleep at night
You're always 'round when I'm in need
When trouble's on my mind
You put my soul at ease
There is no one in this world
Who can love me like you do
So many reasons that I want to spend forever with you
I'll be loving you forever
Deep inside my heart you'll leave me never
Even if you took my heart and tore it apart
I would love you still forever
We've had our fun, and we've made mistakes
But who'd have guessed along that road
We'd learn to give and take
It's so much more than I could have dreamed
You make loving you so easy for me
There is no one in this world
Who can love me like you do
That is the reason that I want to share forever with you
I'll be loving you forever
Deep inside my heart you'll leave me never
Even if you took my heart and tore it apart
I would love you still forever
(And girl I pray you leave me never)
'Cause this is a world
Where lovers often go astray
But if we love each other
We won't go, won't go that way
So put your doubts aside
Do what it takes to make it right
'Cause I'll love you forever
No one can tear us apart
I'll be loving you forever
Deep inside my heart you'll leave me never
Even if you took my heart and tore it apart
I would love you still forever
I just want you to know that
I can't eat, I can't sleep
I can't breathe, whenever I'm without you
When we walk, I stand tall
When we talk, I only talk about you girl
I'll be loving you forever
Deep inside my heart you'll leave me never
Even if you took my heart and tore it apart
I would love you still forever
I'll be loving you forever
Deep inside my heart you'll leave me never
Even if you took my heart and tore it apart
I would love you still forever
I'll be loving you forever
Deep inside my heart you'll leave me never
Even if you took my heart and tore it apart
I would love you still forever