If you want to stand with the fake-fervent in Hell, the Luthers and the Mohammeds and the Albigensians and Marcel Lefebvre, then so be it.
The Cardinals do not speak authoritatively but merely ask questions. You are not standing with them by answering the questions yourself and neither is de Matteo.
Now if you were divorced and remarried and wondering about Communion, then yes--you would need to figure this one out.
No, I wouldn't have to "figure this one out". I already know that committing adultery and receiving Communion in that state are both mortal sins.
Are you even a Catholic?