扇ちゃんは阿良々木くんに気持ちいいですか？て聞いて、

自分が気持ち良い時は気持ちいいです、て言う。

扇ちゃんは阿良々木くんのこと全部わかってても、

阿良々木くんは扇ちゃんのこと、本人が伝えなければ伝わらないので。

Ougi-chan asks Araragi-kun if he felt good.

He said he feels good himself when she feels good.

Even though Ougi-chan understood Araragi-kun completely, she couldn't convey to him the truth between him and her.