Reprogram your brain for "Red means danger, green means safe" and you'll do a lot better. Red at a traffic light means there's a danger so you stop. Green mean

Reprogram your brain for "Red means danger, green means safe" and you'll do a lot better. Red at a traffic light means there's a danger so you stop. Green means it's safe to proceed. Red on a gun safety switch means danger because it's live. The red wire is live and dangerous. The green wire is earth and safe. (at least true in Europe).