There's no grammar in our lessons.
- Hi, how are you?
- I'm fine, thank you. And you?
We don't have this kind of bunk which often times can be found in textbooks.
To be able to speak and sound naturally, idioms and slang injected in one's speech are the important ingredients.
You're forced to repeat the key vocabulary words many times throught a lesson. And that ensures that you'll internalize them those words.
"Story telling" - is a gem which allows the language to get stuck in your brain.