The hard parts of learning Korean, and how to get past them
If Korean words slide out of your head a day after you learn them, the problem usually isn't your memory. It's that you're learning words alone instead of with a partner.
Dramas are too fast and textbook audio is too slow. The material that builds listening is the material you almost understand.
Recast, metalinguistic, explicit, elicitation. The way an error gets corrected changes whether you learn from it or just feel bad about it.