Answer:
You’ll have me at night and if you remove the first letter I denote the top, such as on a train
You use a knife to slice my head. And weep beside me when I am dead.
A man parks his car outside of a hotel and immediately realises he is bankrupt. How did it happen?
They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
People take me on walks and I run and have fun. What am I?