If God is unchanging, did he have a body eternally, and how does the incarnation relate to God being eternal?, What is the best way to explain the Trinity to younger students?, Given that the tree of knowledge of good and evil was where sin came from; could God have created the Garden of Eden without it?, and more on today's Open Line Monday with Fr. John Trigilio.

Can I give my indulgences to souls in purgatory?, Priests used to make use of the patent. Why has that been done away with?, What is the benefit of going through the saints to pray to God?, and more on today's Open Line Monday with Fr. John Trigilio.

I understand that the Catholic Church teaches that the Mass is an unbloody sacrifice, how can an unbloody sacrifice be propitiatory?, Did the devil know who Jesus was when he tempted him?, and more on today's Open Line Monday with Fr. John Trigilio.

How do I explain Church teaching on the Atonement to Protestants who say that Christ's atonement was completely sufficient and that things like penance are not needed?, Can you explain general and particular judgement at the final judgement?, and more on today's special mailbag edition of Open Line Monday with Fr. John Trigilio.

Where do bad ideas and temptations come from?, What is the role of baptism in the Catholic faith?, What’s the difference between the Holy Spirit you receive at baptism versus the Holy Spirit you receive at Confirmation?, and more on today's Open Line Monday with Fr. John Trigilio.

Does the case of the Immaculate Conception contradict free will? Did God lock in Mary’s decision?, Why has "one" been removed from the collect?, Where is the lineage of King David today?, and more on today's Open Line Monday with Fr. John Trigilio.

Your emails are answered on a special mailbag edition of Open Line Monday with Fr. John Trigilio. (This is a re-air of the 07/05/21 show.)

How do I expand my capacity to love God?, If a Catholic gets married outside the church, are they severing their access to the other sacraments later on in life, like anointing of the sick, last rights, etc.?, and more on today's mailbag edition of Open Line Monday with Fr. John Trigilio.

Is there an exorcism prayer in the baptismal rite?, Why is exorcism a sacramental?, How do I help my "bad" Catholic friend?, What is the correct way to fast?, and more on today's Open Line Monday with Fr. John Trigilio.

Why are we being dared to say the Our Father?, Why do we no longer say the word One in the Collect, as in one God forever and ever?, Is the Eucharist necessary for salvation?, and more on today's Open Line Monday with Fr. John Trigilio.