NARCÓTICA,

narcótico 
    adj.
   1. Que faz adormecer. 

s. m.
2. Substância narcótica. 
3. Fig. Coisa ou pessoa que causa sono.

"Will you still recall my name

And the month it all began
Will you release me with a kiss

Have I tried to draw the veil
If I have - how could I fail?
Did I fear the consequence

..dazed by careless words
Cosy in my mind

Chorus: I don't mind
I think so
I will let you go"