You are not going to bereefer this.
In fact, you might need to steady yourself by whatever means you normally choose to create a little peaceful comfort.
You see, a group of scientists have got together, studied the brains of pot smokers and decided that regular marijuanists have brains that enjoy deficiencies.
These, specifically, involve a stunted ability to synthesize dopamine, a little neurotransmitter which, when fed correctly, makes you want to start a company called Facebook, climb Kilimanjaro, or run the 100 meters in 8.2 seconds.
Yes, a blunt can blunt your need to succeed.