Tim McGraw says he married Faith Hill after making love to this song.

The country musician revealed what song makes him think of his wife of 27 years, Faith Hill, at an event ahead of his Standing Room Only tour. 

"It's an instrumental, yet there's one song. Saying this will probably get me in trouble. McGraw told Yahoo Entertainment, "God, please forgive me, baby." Santana performed "Samba Pa Ti." We sing it."

My uncle Hank, an old hippie from Napa Valley, played it for me years ago on the road," he said. Likewise, he liked that music. He said, ‘I'm going to tell you something.’

Never make love to a woman with this song on unless you intend to marry her,’ he advises. But I did eventually. "I did," McGraw said.

McGraw and Hill have been married for over 20 years and have three daughters: Gracie, 26, Maggie, 24, and Audrey, 21.

The singer of "I Like It, I Love It" gushed over his wife and their long marriage. The two are in their "second honeymoon," according to McGraw.

"In showbiz language, it's like dog years," he said. McGraw said staying at home without the kids was the hardest aspect of being a father of three.

"The first six months were difficult. "I think it's always harder on mom when the girls go away," McGraw remarked. 

"It was pretty terrible because it was vacant and the aura of the house was sort of gone. We believed we'd have Gracie right away after six months. It's honeymoon time again now that we have time to ourselves. Thus, we've enjoyed it."

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