“I think that in the past, her vision had been blurred,” Michael, 22, tells PEOPLE in an exclusive statement of his sister, who voluntarily entered a rehab facility this week.
“People she was surrounded by – enablers, leeches, whatever you’d like to call it – made things very difficult,” he says. “It’s quite strenuous to right your wrongs when the people around you help justify your actions. Therefore, cloudy judgment made it easy for her to neglect those trying to guide her.