Kristin Cavallari revealed her kids are part of the reason she decided to be more filtered about her sex life after her relationship with ex Mark Estes. During the Tuesday, January 20, episode of her "Let's Be Honest" podcast, Cavallari, 39, spoke to guest Rachel Bilson about how Camden, 13, Jaxon, 11, and Saylor, 10, played a role in her being more censored.