A man's got to do what a man's got to do

a man's got to do what a man's got to do

A man must do what he feels needs to be done, even if it is dangerous or undesirable. Sometimes said ironically. It might be dangerous delivering water to the refugees, but a man's got to do what a man's got to do. I know it's a lot of cotton candy to eat, but a man's got to do what a man's got to do.

A man's got to do what a man's got to do.

  (humorous)
something men say when they are going to do something which may be unpleasant or which they are pretending will be unpleasant as a joke
Usage notes: From a similar line in John Steinbeck's book, Grapes of Wrath and often used in films.
I hate catching spiders. Still, a man's got to do what a man's got to do.