be in too deep

be in too deep

To be too involved in something to easily extract oneself or make reasonable decisions. I know you think you're in control of this undercover operation, but you're in too deep now—you care about these people too much to arrest them! Now that we're engaged, I've realized I'm in too deep with a man I don't really love.
See also: deep

be in too deep

  (informal)
to be so involved in a situation or relationship that you are unable to stop being involved I knew I should leave him but I was in too deep.
See also: deep