Evans has the douche-meter pegged at 11.

Car headlights should work the same way as motorcycle headlights... Always on! Especially with LED’s that virtually eliminate bulb replacement, there’s no reason to turn lights off ever. Even in daytime, the may not improve your visibility, but they make you more VISIBLE.

Could be a bit bigger, but yowza...

When the brake lights are illuminated, the higher intensity makes it VERY hard to recognize a co-located red turn signal. Check out the Nissan/Infiniti taillights with the dime-sized red turn signal within the brake light...

Hit a deer head-on in broad daylight on my first bike, third day after I bought it. No chance, he jumped right in front of me. Lessons learned: