Maybe you should ... get this ... actually ask Catholics and allow for the possibility that they could answer you accurately, and in good faith?
We could start, for example, with a discussion of Luke 1:48.
What you really want is to discuss the word blessed, not the verse, for the verse’s impact hinges on the word ‘blessed’ .... right ?
Let's just go directly to where Christ corrected the over rating of that?
Luke 11:28 He replied, "Blessed rather are those who hear the word of God and obey it."
We could start, for example, with a discussion of Luke 1:48.
Yes...let's do this. The only requirement is that keep everything in context. No pulling out just one verse to claim something.
If we do this we will see that Mary was a sinner by her own admission and we will see Mary had other children by proof in the text. We will see we are not to pray to Mary or rely upon Mary for anything.
Yes...let's have this discussion.