On this week’s episode: Elizabeth and Jamilah are joined by Isaac Butler, co-host of Slate's Working podcast. They answer a question from a mother wondering when and how to tell her daughter that she had an older sister who died prior to birth. Then they dive into sleepover politics. Should the guest list be altered to accommodate cousins who really want an invite?  In Slate Plus: We’ve got tips for helping your kid be more creative. Slate Plus members get a bonus segment on MADAF each week, and no ads. Sign up now to listen and support our work. Recommendations: Isaac recommends Kipo and the Age of Wonderbeasts on Netflix. Jamilah recommends Iced Chocolate Almond Milk Shaken Espresso from Starbucks.  Elizabeth recommends Let's Make Art subscription box.  Join us on Facebook and email us at momanddad@slate.com to ask us new questions, tell us what you thought of today’s show, and give us ideas about what we should talk about in future episodes.  Podcast produced by Rosemary Belson.  Learn more about your ad choices. Visit megaphone.fm/adchoices