Who was Cain’s wife?

If the human race is descended from one pair of original parents, then who was Cain's wife?

If the human race is descended from one pair of original parents, then who was Cain's wife?

What could be “lacking” in Christ’s afflictions? Wasn’t His sacrificial death for us sufficient?

In a recent meeting of our weekly Catholic Study Group, the topic of Purgatory was broached, specifically the topic of the fires and pain of Purgatory. One member suggested that we consult the saints about this.