See there's more to life than gettin' drunk and sniffin'
But people would rather pay for that then they're college tuition

from Onemanband (Ft. Mary J. Blige) – No Mystery Lyrics 10 on Rap Genius

Here it says that people prefer to spend their hard-earned money on things that will give them pleasure for a limited time. eg drinking and smoking weed

They mostly neglect the future and the aftermaths and just go for the easy route whenever possible. They tend Not To Invest In Their Future and instead, spend it all in one big splash.

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