Shay Mitchell thinks having a second child has transformed her life. The 35-year-old actress – who has Atlas, three, and Rome, four months, with Matte Babel – has confessed to being surprised by just how much her life has changed over recent months. She shared: “People used to tell me going from zero to one was nothing compared to going from one to two, and that could not be truer. “Now I look back and I’m like, how did having one kid seem difficult for me?” Although caring for two young children has been a challenge, Shay has actually relished the experience. The actress loves spending time w…