That’s her/his/their/your problem
phrase
It means that the issue or difficulty under discussion is the responsibility of the person indicated, and not the responsibility of the speaker.
If she doesn't want to take the advice, that's her problem.

Often appears as...
- that's not my problem
- that's your problem now
Usage tips
Colloquial, Idiomatic
phrase
Used dismissively to express that someone else's difficulty is not one's concern or responsibility.
He didn't prepare for the test, that's his problem.

Often appears as...
- i don't care
- that's his problem
Usage tips
Colloquial, Idiomatic
phrase
It means that the issue or difficulty under discussion is the responsibility of the person indicated, and not the responsibility of the speaker.
If she doesn't want to take the advice, that's her problem.

Often appears as...
- that's not my problem
- that's your problem now
Usage tips
Colloquial, Idiomatic
phrase
Used dismissively to express that someone else's difficulty is not one's concern or responsibility.
He didn't prepare for the test, that's his problem.

Often appears as...
- i don't care
- that's his problem
Usage tips
Colloquial, Idiomatic
Definition 1 of 2

Personal Responsibility
Suggests the person must deal with their own issues, without expecting help.

If he lost his keys, that's his problem.
Blunt Dismissal
Indicates a blunt or unsympathetic dismissal of another's concerns.

She missed the deadline? Well, that's her problem.
Conversational Cue
Signals the speaker's unwillingness to discuss the matter further.

You don't like my decision? That's your problem, not mine.
Personal Responsibility
Suggests the person must deal with their own issues, without expecting help.

If he lost his keys, that's his problem.
Blunt Dismissal
Indicates a blunt or unsympathetic dismissal of another's concerns.

She missed the deadline? Well, that's her problem.
Conversational Cue
Signals the speaker's unwillingness to discuss the matter further.

You don't like my decision? That's your problem, not mine.
Personal Responsibility
Suggests the person must deal with their own issues, without expecting help.

If he lost his keys, that's his problem.
Blunt Dismissal
Indicates a blunt or unsympathetic dismissal of another's concerns.

She missed the deadline? Well, that's her problem.
Conversational Cue
Signals the speaker's unwillingness to discuss the matter further.

You don't like my decision? That's your problem, not mine.
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