Matty Healy's mom, Denise Welch, has a hard time biting her tongue when it comes to discussing her son's romance with Taylor Swift. "Denise is still Matty's mum at the end of the day, and it was bloody hard for her to stay quiet during the whole ordeal," a source exclusively tells Us Weekly. "Now that time has gone by, she's saying what she can because she knows that her son got hurt.