Kourtney Kardashian is opening up about her and Travis Barker's attempts to grow their family. ET's Lauren Zima spoke to the 42-year-old reality star ahead of the premiere of her family's new show, , and she got real about the challenges of trying to have a baby with her fiancé.«It’s a beautiful thing that we'd love to have happen, but the journey is a bit hard for any woman who went on it,» Kourtney told ET of her fertility struggles.«And emotional,» Khloe Kardashian chimed in, a statement that Kourtney expressed her agreeance with. Kourtney is already mom to Mason, 12, Penelope, 9, and Reign, 7, with her ex, Scott Disick.