"She's fantastic! She knows when it's time to leave me for a bit on my own. Before the show," the 32-year-old music producer and DJ said of Swift
while talking to Rickie, Melvin and Charlie on the KISS FM Breakfast Show
. "She's super encouraging and she kind of gets her vibe going with other people as well, you know. She can even cheer up my manager, which is an unbelievable feat! So it's fantastic having her around."