Hey, Father! Why do Catholics have the crucified Christ in their homes and churches and even sometimes wear it around their necks?

I am confused about holy days of obligation. What or who decided that if the holy day falls on Saturday or Monday, we are not required to go to Mass unless for certain feast days? From childhood, it did not matter what day the holy day fell on, it was still a holy day of obligation. In addition, how come some dioceses and the requirements to attend Mass on these days sometimes differ?I am confused about holy days of obligation. What or who decided that if the holy day falls on Saturday or Monday, we are not required to go to Mass unless for certain feast days? From childhood, it did not matter what day the holy day fell on, it was still a holy day of obligation. In addition, how come some dioceses and the requirements to attend Mass on these days sometimes differ?— Dorothy in Springfield

Hey, Father! Why do I have to confess my sins to a priest? Why can’t I just go directly to God?
— Maddison in Springfield

Hey, Father! Why can we not eat meat on Friday during Lent? Where in the Bible does it say that? Also, isn’t fish meat? That seems to contradict meatless Fridays.

 

Hey, Father! Why does the church teach purgatory exists? Where is purgatory in the Bible? I thought Jesus’ sacrifice of himself was enough?
— Dale in Mattoon