Weeaboos more worried than Japanese theirself

Not an expert in Japanese, but for three years, she sure can speak it quite fluent.

She has the annoying tendency to over pronounce some of her particles (particularly て and で, but her Japanese is fine. But really, language learning doesn't take as long as people would think, if you're just serious about your studies. Someone serious with their studies can be fluent in Japanese within 19 months.