Yeah. That will be fine but why don't you want to go?

也可以啊，不过你为什么不想出去吃呢？

Is it okay 实战 - SpeakingMax英语口语达人

You could use "I've already" pattern to explain why you don't want to go to Japan again.

你可以用“I've already”句型来解释你为什么不想再去日本了。

I've already 课堂 - SpeakingMax英语口语达人