It's like why becoming fluent in a second speaking language makes you a 'worse' speaker in your native tongue. You sometimes confuse idioms and terms, and somet

It's like why becoming fluent in a second speaking language makes you a 'worse' speaker in your native tongue. You sometimes confuse idioms and terms, and sometimes you find yourself frustrated when trying to find a word in one language, when the perfect word exists in the other. (Tongue-in-cheek, if not apparent)