This comment seems contradictory to the former one, but it is not. What he tries to say here is that as his English competence has developed, he is perceiving grammar in more advanced level, i.e. communicative level. In other words, he first needed grammar in the grammar book to make basic sentences in English, and now he needs grammar to communicate his intensions as accurate as possible. Satoshi’s beliefs about grammar are embedded with his beliefs about communication.