Answer:
I am three simple words everyone wants to hear. Three simple words such simple words and yet...life changing...
When it comes to me you go on red and stop on green.
Blade to blade I always win My foe laid low and even. Yard by yard through thick and thin I'm busiest in season.
I beam I shine I sparkle white. I’ll brighten the day with a single light. I’ll charm and enchant all I’ll bring the best in you all.
I am slim and tall many find me desirable and appealing they touch me and I give a false good feeling once I shine in splendor but only once and then no more for many I am to die for.
What never gets any wetter no matter how hard it rains?