New Command? Two Cups? Family Issues?

What is the new command in 1 John 2? What does the “darkness” refer to in that chapter? What are the two cups that Paul refers to in 1 Corinthians 10? Does God intervene in difficult family issues? What can I do?

Tags: 1 Corinthians 10, 1 John 2, communication, darkness, family, forgiveness, intervention, new command, Paul, prayer, two cups