As I prepare to undertake this transformative challenge again this year, I am revisiting what I learned only 48 hours into 30 days without complaint the very first year – learning to be a light in the world. First, since I’ve started this challenge, I’ve found that God has continually blessed me with ample opportunities to practice. Not complaining may be a bit like praying for patience. Once I ask, I get lots of chances to practice. Because I genuinely care about people, I am generally very friendly. But my heart is fed by lots of quiet time, so busy days can be very stressful for me. You might think…