text: by Liz McNeil and Nicole Sands
  
  "I was there to see my friend go from recreational drug use to using to keep it together. Her struggle was not unlike that of so many others: desire and will at odds with desire and will, to remain sober, to get high." Brown's upcoming memoir titled Every Little Step hits stands June 13.
  
  Sign up for news alerts and special offers
  
  Copyright © 2016 Time Inc. All rights reserved.
  
  Don't miss a single story from PEOPLE!
summary: A source close to the Houston family opens up about Bobby Brown's reports following his 20/20 interview with ABC News' Robin Roberts