Answer:
You use a knife to slice my head but you weep beside me when I am dead
I have a head tail but no arms and legs.
If you lose one of me, you are upset, bewildered, and perplexed. If you lose two of me, you are blissfully unaware. What am I?
Though I am dark Adam married me.
You cannot keep me until you have given me. What am I?
If you can get this professional's attention you can get where you need to go for a price.