If you are planning a life of drug abuse, then plan on a dry dull and very short life.
If you want to get your act together and have a full, rich and exciting life, contact a medical professional and consider an inpatient rehab.
In the meanwhile (because there's always a meanwhile- unless you're dead, at which time it's too late), look into narcotics anonymous and cocaine anonymous.
Narcotics anonymous has their website at
www.na.org
Cocaine anonymous has a website at
www.can.org