January 17, 2023 | 9:24pm

Bonnie Bartlett Daniels says she and hubby William Daniels “never felt tied to fidelity” astatine the opening of their present 72-year marriage.

The 93-year-old got candid astir the ups and downs of her narration with the “Boy Meets World” actor, 95, portion promoting her caller memoir, “Middle of the Rainbow.”

“I conjecture it was a small spot of an unfastened matrimony astatine first, but that was precise painful,” Bartlett Daniels told Fox News Digital connected Tuesday. “That didn’t enactment well.”

“And it was a clip erstwhile radical were doing that,” she continued. “It was astatine a clip successful New York erstwhile determination was a batch of enactment and a batch of radical doing each kinds of things, you cognize — precise free.”

Bonnie Bartlett and William Daniels achromatic  and achromatic  photo.The twosome wed successful 1951. NBCUniversal via Getty Images

The “St. Elsewhere” prima — who joined Daniels successful 1951 — went connected to uncover she had “an matter that lasted a fewer months” with an histrion who was “slightly boring” sometime astir 1959.

“I ne'er felt blameworthy due to the fact that I ne'er felt tied to fidelity, and neither did Bill,” she wrote.

However, her husband’s matter with a shaper successful the ’70s near her “devastated” and wholly changed the dynamic of their marriage.

Bonnie Bartlett and William Daniels portrait.The pair’s analyzable narration took a crook successful the ’70s.NBCUniversal via Getty Images

By that point, the histrion learned she “could nary longer tolerate immoderate benignant of unfastened marriage” and the twosome moved “forward day-by-day” to repair their breached relationship.

“It was precise achy for the some of us,” she told the outlet. “But it was thing we had to spell done due to the fact that we ne'er went done it.”

She continued, “When we got unneurotic I was 18. Bill was my archetypal fellow … We conscionable had to spell done each that and still, we loved each different precise overmuch and ever have.”

Bonnie Bartlett and William Daniels buss  connected  "Boy Meets World."The “Boy Meets World” prima and histrion person been joined for 72 years. Disney General Entertainment Con

“[We] person ever been determination for each other. That’s what matters — if you’re determination for the idiosyncratic and assistance [them] on successful a relationship, [have] respect for them and what they’re doing and being determination for them… [You person to] beryllium unneurotic connected the different side.”