Robert Herjavec has advanced to week five on "Dancing with the Stars" thanks to his chemistry with partner Kym Johnson. That chemistry between the dancing couple may be working off the floor as well.

Herjavec hinted at a possible relationship with Johnson in a recent interview on "Good Morning America." The "Shark Tank" investor called the 38-year-old professional dancer "a great friend," but wouldn't comment any further on their relationship status.

"She's a great dancer and she's become a great friend," Herjavec said. "It's more than just the dancing. I think we just get along great!"

The 51-year-old Herjavek separated from his wife Diane Plese in 2014 after 24 years of marriage. The couple has three children together. He told "GMA" that experienced thoughts of suicide after his split.

"I got to a point where there was no tomorrow for me," Herjavec said.

He overcame his depression by volunteering at Seattle's Union Gospel Mission.

"I saw so much pain, so much loss and grief, but, yet, joy. It just stripped away everything for me and brought me back to a place of happiness," Herjavec said. "You have to have hope. I mean, somebody loves you. It's never the end and you've just got to believe that tomorrow's going to be a better day."

"Dancing with the Stars" airs on Mondays at 8 p.m. on ABC.