I understand the metaphor, but I’d like to point out just how ugly the happy moment bit of road looks compared to the more natural state of the rest of the life road. Perhaps it’s time to walk your life instead of driving it ;)
Meanings of words evolve. They’re refering to the belief system rather than to the original meaning and ethymology. But when you know it does sound funny.
Botanist, no research now, though, mainy education. It’s pure fun.