Recently, Ozzy Osbourne commented on Black Sabbath's farewell tour, indicating that fun was not permissible onstage per Tony Iommi. But what about their working relationship overall? It turns out Osbourne doesn't enjoy that very much either.

"Do I like working with him? Not really," the singer told The Times in an interview (via Blabbermouth). It isn't all bad between the two, however, as Osbourne reflected, "Do I like him as a person? Yeah, I love him as a person," before acknowledging that Iommi was indeed the leader of Black Sabbath. "Without his guitar riffs, we'd be still sitting in fucking rehearsal with our thumbs up our arses going, 'What do we do now?'"

Expounding on this working relationship, the Prince of Darkness likened it to having fond memories of an ex-girlfriend. "It's like when you're younger and you met a girl, Susie, and you break up and you don't see her for 30 years. Then she's in town and you go, 'Oh, I'll give Susie a call,' because your memory only remembers the good parts and you can narrow it then to a week and you go, 'I remember that week and it was lovely.' But then you go back and you go, 'I forgot the fucking four and three-quarter years I was fucking miserable,'" he said.

With Sabbath in the rearview mirror, there's only fun on the horizon for Ozzy, who will turn 70 on Dec. 3 of this year. His solo farewell tour, dubbed "No More Tours 2," returns to North America in 2019 with Megadeth and you can see all the upcoming dates below.

Ozzy Osbourne + Megadeth 2019 North American Tour Dates:

05/31 - Sunrise, Fla. @ BB&T Center
06/02 - Tampa, Fla. @ Midflorida Credit Union Arena
06/04 - Charlotte, N.C. @ PNC Music Pavilion
06/06 - Cincinnati, Ohio @ Riverbend Music Center
06/08 - Hershey, Pa. @ Hershey Concerts
06/11 - New York, N.Y. @ Madison Square Garden
06/13 - Burgettstown, Pa. @ KeyBan Pavilion
06/15 - Bangor, Maine @ Darling’s Waterfront Pavilion
06/20 - Hamilton, Ontario @ FirstOntario Centre
06/22 - Uncasville, Conn. @ Mohegan Sun
06/26 - Maryland Heights, Mo. @ Hollywood Casino Amphitheatre
06/28 - Kansas City, Mo. @ Spirit Center
06/30 - Des Moines, Iowa @ Wells Fargo Arena
07/04 - Milwaukee, Wis. @ Summerfest / American Family Insurance Amphitheatre
07/06 - Saint Paul, Minn. @ Xcel Energy Center
07/09 - Edmonton, Alberta @ Rogers Place
07/11 - Vancouver, British Columbia @ Rogers Arena
07/13 - Tacoma, Wash. @ Tacoma Dome
07/16 - Portland, Ore. @ Moda Center
07/18 - Sacramento, Calif. @ Golden 1 Center
07/20 - Las Vegas, Nev. @ MGM Grand Garden Arena
07/23 - Chula Vista, Calif. @ Mattress Firm Amphitheatre
07/25 - Phoenix, Ariz. @ Ak-Chin Pavilion
07/27 - Mountain View, Calif. @ Shoreline Amphitheatre
07/29 - Los Angeles, Calif. @ Hollywood Bowl

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