“My life has become unmanageable,” says Shayne, a self-described heroin addict and hoarder who admits she’s had substance abuse issues for years. “IV heroin is the one that – I just can’t get over it.”

TELL DR. PHIL YOUR STORY: Life in crisis?

Shayne claims that getting high is the only thing that helps her to not think about her sister, Kelsey, who died of a drug overdose in 2011.

WATCH: ‘All My Kids Have Struggled With Drugs,’ Says Father Of Four

How does Shayne respond when Dr. Phil asks her, “Why are you doing drugs?”

Watch the conclusion of this two-part Dr. Phil airing Tuesday. Check here to find your local listing.

TELL DR. PHIL YOUR STORY: Chaos in your life?