Learning a 2nd language as a monolingual adult (or teenager) isn't an easy thing. I can say this from personal experience. After thousands of hours, my languag

Learning a 2nd language as a monolingual adult (or teenager) isn't an easy thing. I can say this from personal experience. After thousands of hours, my language skills are still clearly non-native. If you know a 2nd language because it's been in your environment since childhood, then it's not so "super".