Do you ever find yourself in a conversation about parenting and, even though you have advice to share, you’re afraid to speak up because you’re afraid someone will say, ‘You can't possibly understand—you don’t have kids.’ You might feel invisible in family gatherings, stop yourself from contributing to kid-focused discussions, or apologize and add disclaimers before sharing your perspective, like, "I know I don’t have kids, but…’ It's very important that you start speaking up in these s...