If we believe and confess, why do we need Jesus to intercede for us?

If we believe and confess, why do we need Jesus to intercede for us? >Therefore he is able to save completely those who come to God through him, because he always lives to intercede for them. - Heb.7:25 > If you declare with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved. - Rom.10:9 Heb.7:25 sounds as if we need for Jesus to intercede for us repeatedly, in order for us to be saved completely/to the uttermost. I am looking for answers from persons who believe that Rom.10:9 is true. If I get different answers from those who interpret Rom.10:9 differently, that is fine. If a person is saved (by your definition), why does the person need for Jesus to intercede for them repeatedly?