Benson Boone, who opened for the Eras Tour during one of its dates in London, is finally sharing his unfiltered opinion of Taylor Swift—and there’s something about her he finds a bit unfair.

The “Beautiful Things” singer divulged his journey to the Eras Tour—where he served as one of the only male opening acts for the concert that featured what Swift cheekily referred to as “Female Rage: The Musical” after adding a section for her latest album, The Tortured Poets Department—in a new interview with Rolling Stone.

Boone, who was the talk of the town after his Grammys performance last month, didn’t consider himself a Swiftie before he was invited to join the hottest tour of the last two years, admitting, “I didn’t even know much about her.”

Still, when her team reached out, he joked, “I literally, like, shit my pants,” despite being a casual listener. “I could not believe it. It was insane, so I started listening to more of her music,” he told the publication, explaining, “I didn’t want to go to that show and not know anything.”

He walked away from the one-day experience with a brand new perspective brought on by the “unbelievable” and “genuine” musician and the “vastly gigantic” show with “countless moving parts behind the scenes that nobody knows about.”

“I got the privilege to talk to her, for a while, and she’s so kind,” he shared, also noting how she “shouted [him] out onstage”—something he felt was not a requirement by any means.

“It really changed my perspective on so many things that I want to carry into my own career,” he reflected, pointing to “the way I treat people and my crew” after “watching the way that she treats people.”

“There’s a lot of people who don’t like Taylor Swift,” he added. While everyone may be “entitled to their own opinion,” he suggested that anyone with “something against her” without knowing her is out of line. “I don’t think that is fair,” he explained.