Melissa says that since her mother died suddenly more than a year ago, her life has been on a “downward spiral.” She says she cries daily, has changed how she parents her two sons and that her three-year relationship with her boyfriend, Dave, is on the verge of ending.

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“When she died, I died with her,” says Melissa, admitting that she feels lost and confused.

Dr. Phil tells her that if she is feeling worse at a year-and-a-half after her mom’s death, “That’s not grief; that’s depression.”

WATCH: How This Woman’s Internal Dialogue Is Affecting Her Life, Including How She Parents Her Children

He tells the couple what Melissa said that “set off every alarm bell in my head” and has him deeply concerned. “She said, ‘I’ve become a burden. They would be better off without me,’” he says. “I’ve become a burden; they’re better off without me, is the number one predictor of suicide.”

“You’re not a burden, and nor were you ever, you know that,” Dave tells her.

In the video above, Dr. Phil suggests an exercise that Melissa – and any grieving person – can do to help get past the pain but never forget a loved one.

This episode of Dr. Phil airs Wednesday. Watch more here.

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Woman Says Since Loss Of Her Mom ‘I Feel Like I’m Losing My Mind’