그러지 말란 법은 없지.

A: You keep your car so spick and span. That’s nice.
B: I’m not fixated, but clutter makes me frustrated.
A: I get ya. I habitually toss everything onto the back seat.
B: 그러지 말란 법은 없지. Your car, your call.

A: 넌 차를 아주 티끌 하나 없이 말끔하게 하고 다니는 구나. 좋네.
B: 집착하는 건 아니지만, 그래도 지저분하면 정신이 없어서.
A: 알겠어. 난 습관적으로 뒷좌석에 아무거나 막 던져.
B: There’s no law against it. 네 차는, 네 맘대로 하는 거니까.

[Additional expressions]
*You keep your car so spick and span.
– Your car is always so clean. / You keep your car as clean as a whistle.
*That’s nice.
– That’s a very cool thing to do. / That’s such a good idea. / It’s good that you do that.
*I’m not fixated
– I’m not overly obsessed / It’s not a compulsion for me
*clutter makes me frustrated
– disorder doesn’t make me feel comfortable / I don’t like messiness
*I get ya.
– I understand. / I hear you. / I know what you’re saying.
*I habitually toss everything onto the back seat.
– Out of habit, I throw everything I have into the back.
*There’s no law against it.
– That’s OK. / There’s no big problem with that. / It’s all right if you do that.
*Your car, your call.
– You’re the car owner so you can do whatever you want.