From Only Child to Oldest Eliza Castaneda - October 4, 2018 - Family Adjustment, Preparing for Parenthood, Talking, Talking to Kids, The Process From Only Child to Oldest Eliza Castaneda - October 4, 2018 - Family Adjustment, Preparing for Parenthood, Talking, Talking to Kids, The Process Preparing your child for a new sibling can be a challenge at any age, but especially when she is a sensitive teen.