You are right about takin' it as a pointless thing, but the rest of issues you wrote down are pretty mediocre.
Money is an evil, today you have it, yesterday you live on the street, everythin' can happen.
You always can bleach your teeth if you want it, and life is not that necessary thing to care about, we will never know when we die, better way right here is just enjoyin' your life.
Only one bad thing I figured out is a bad performance when you can't smoke, that's the real thing that kills your enjoyment, and I swear that anxiety 'cause of lack of smokin' will kill you faster than the thing itself.
You won't die 'cause of smokin' in 20, but you can die in this age, if you don't have any enjoyment, smokin' can save you in the way you are desperate.