The 33-year-old DJ reflects on his relationship with the "Bad Blood" singer in a new interview with British GQ, admitting that it was "completely the wrong instinct" to share his thoughts on social media after Swift's team leaked that she had co-written "This Is What You Came For" last year.
While all seemed amicable, things turned nasty when Swift's rep confirmed that she had collaborated with her ex on his smash hit with Rihanna.
It felt like things were piling on top of me and that was when I snapped." "It's very difficult when something I consider so personal plays out very publicly," he continued.
"For both of us, it was the wrong situation.
It clearly wasn't right, so it ended, but all of the stuff that happened afterwards." RELATED: Katy Perry and Taylor Swift's Ex Calvin Harris Star in 'Feels' Music Video With Pharrell Williams and Big Sean Since then, Harris has collaborated with Swift's "nemesis," Katy Perry.