you're on your own

you're on your own

You have to deal with or resolve this situation without my or anyone else's assistance. A: "We'll need to tell the boss that the project won't be finished under the deadline." B: "You're the reason we're so delayed, you're on your own." A: "C'mon, help me clean all this up!" B: "Sorry, you're on your own. I'm heading to the mall with Rachel."
See also: on, own
Farlex Dictionary of Idioms.

You’re on your own

and YOYO
sent. & comp. abb. You will have no help if you continue. That’s my advice. Ignore it or you’re on your own.
See also: on, own
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • empathize
  • empathize with
  • empathize with (someone or something)
  • ride (one's) coattails
  • ride on (one's) coattails
  • ride on coattails
  • ride on someone's/something's coat-tails
  • ride (on) the coattails of (someone)
  • on the coattails of
  • on the coat-tails of someone/something