conduct oneself well; take good care of oneself; you're on your own
Meanings
2 senses · 5 examplesidiom
to take good care of oneself; to conduct oneself properly; to behave well
neutralOften used as advice or warning to someone to look after their own affairs or well-being. Can carry a neutral, caring tone or a dismissive, warning tone depending on context.
Since you're already an adult now, you need to conduct yourself properly from now on.
You're away from home with no one to look after you, so please take good care of yourself.
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This is the last time I'm helping you; from now on, you're on your own.
idiom
to handle one's own affairs properly; to deal with something oneself in an appropriate way
neutralUsed when entrusting someone with a task or situation, implying they should manage it well without further assistance.
I'm leaving this matter in your hands; handle it properly.
The company has given you sufficient resources; handle the upcoming project on your own.