Learn how the right paint colors can boost your mood, why muted patterns calm anxiety, how to test pipes for lead with a magnet, the fix for mysterious cracking tile noises, and whether solar panels work on moonlight. Plus: Mike and Molly’s Billy Gardell shares the story of buying his first home, experts tackle driveway erosion, and you’ll get pro tips like removing marble stains with baking soda and protecting tools with charcoal.