> I can speak a reasonable level of Japanese This stands out to me. Raising your spoken Japanese from "reasonable" to "excellent" (especially with regards to a

> I can speak a reasonable level of Japanese This stands out to me. Raising your spoken Japanese from "reasonable" to "excellent" (especially with regards to accent) makes a huge difference in how people interact with you. Likewise a high level of literacy is required as well to navigate daily life without stress. (Of course if you live in an English bubble then YMMV.) Anecdotally, I rarely see these Japan ragequits among people with high-level language skills.