Do I Really Need a Mediatrix With the Mediator?

In his book, True Devotion to the Blessed Virgin, St. Louis Marie de Montfort (along with St. Bernard and St. Bonaventure) makes the point that, due to our impurity, we need Mary to be our mediatrix with the Mediator, our Lord Jesus Christ.


At some level, probably due to my Protestant past, I have a problem with this intellectually/theologically.  The incarnation means that God, through Jesus, has given us access to himself.  Because Jesus is at the right hand of the Father, we can go directly to God in prayer.


However, I know from my experience, that I am a better person when I go to God through Mary.  So, in my head, I have a slight problem with this.  But, in my life, I have seen how effective it can be.


I think that Christ's mediation has opened the door to other, subordinate, mediations.  Of these subordinate mediations, Mary's is the most important.  When I go to Mary in prayer, I am, at the same time, going to Jesus in prayer.  And when Mary blesses me with grace, it is Jesus who blesses me with grace through Mary.  In other words, Jesus' mediation is the source of all grace.  Mary's mediation, as the channel, draws on Christ's.


So, it is not that I either go to Christ or I go to Mary.  Rather, it is I go to both Christ and Mary.  The two mediations are inseparably united with Mary's being entirely dependent on Christ's.  


Do I really need a mediatrix with the Mediator?  The Church and my experience would say that I do.