I think I made a posting rule violation the last time, hope you don’t mind the re-post.
How exactly does our Lady “mediate” graces? I can understand her being the “channel” through whom Grace himself came into our world as our Lord, but how about in the present time?
But how about now? I’m especially confused with regards to the sacraments being “ex opere operato” which tells us that Christ himself works through the sacraments. If the priest is in persona Christi when he consecrates the Eucharist or absolves sin, where does Mary as Mediatrix of Grace fit in at those moments?