My children and I have started a new daily practice. Every night at bedtime, we gather colored pencils and light a candle. Asking God to light our way, we get out our journals and draw or write answers to two questions: When did I show love today? and When did I withhold love today?

Loving our neighbors has been an important part of the Christian life “from the beginning” (2 John 1:5). That’s what John writes in his second letter to his congregation, asking them to love one another in obedience to God (2 John 1:5–6). Love is one of John’s favorite…