~기 나름이다 (~gi na-reu-mi-da) – depends on
When you want to place emphasis on how certain factor or thing is a deciding factor and important to something, you can use ~기 나름이다.
~기 나름이다 is used for verbs and just 나름이다 for nouns.
Example: 모든 것은 받아들이기 나름이다.
Everything depends on how you take/accept it.
Example: 인생은 좋은지 사랑하는 사람 나름이다.
Whether life is good depends on the person you love.