Nothing was off-limits when Kourtney Kardashian appeared on Dear Media’s Not Skinny But Not Fat podcast, from her marriage to Travis Barker to her strained relationship with sisters Kim and Khloé Kardashian. The reality star, 43, tied the knot with the rocker, 46, back in May, but they still don’t live together — to this day. “When the kids are at their dad’s house, I stay at his house,” said Kourtney, who shares Mason, 12, Penelope, 10, and Reign, 7, with ex Scott Disick. “And there’s still nights when we’ll stay at each other’s houses in between.” As for plans to expand their family, she and Travis, dad to Landon, 18, Alabama, 16, and stepdaughter Atiana, 23, are “done” with IVF. “We say prayers and hope that God blesses us…