Definition of that's your or his, her, etc. problem in English:

that's your (or his, her, etc.) problem

Used to express one’s lack of interest in or sympathy with another person’s problems: he’d made a mistake but that was his problem
More example sentences
  • How you cope with ordinary bookstores thereafter, well, that's your problem.
  • If you're getting fat from fast food, some politicians say that's your problem.
  • If you live overseas and can't figure out the time difference, that's your problem.
See parent entry: problem

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