If you’ve read Glitter Gold, a short story on this site, you’ll see the relevance immediately (and if not, consider clicking that link above for two free short stories):
Experts say gold and silver spray paints are preferred by “huffers.” They say the propellants in the cans for those color are stronger. ^
I’ve never had any desire to huff paint, but it is fascinating, perhaps because it is the most obviously self-destructive chemical habit I’ve seen. It’s the act of desperate people caught in the grips of motivational entropy. So I researched it and wrote about it, of course.