The context of the following conversation is Austin  knew Alex was very smart and taught Alex to read when he was 4 years old.:
Austin says Alex is so smart I taught him to read at 4 years old.
The friend responds What that's crazy! How much could he read.
Austin responds He could read like 1st grade level books.
The friend responds How much help did he need?.
Austin responds he didn't even need help after a while.
The friend responds That's awesome, you must have been a good teacher.