虱子多了不痒，债多了不愁
shī​zi​duō​le​bù​yǎng, zhài​duō​le​bù​chóu

desensitized

虱子多了不痒，债多了不愁 (虱子多了不癢，債多了不愁) shī​zi​duō​le​bù​yǎng, zhài​duō​le​bù​chóu
desensitized
To be past worrying about problems, criticisms, or debts because they have become so numerous that one has become numb or indifferent to them.

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