Jun 18, - But if you're the parent of teen, it's not something you want to hear from your kid's kids Let's be real: You're still too young to be “Grandpa.”. Dec 18, - The three brothers are ready for a little sister, but alas, that's not the case. On the subject of families, Grandpa might have a great idea. corny party games—they've successfully engineered an elaborate Rube Goldberg machine out of toys to reveal the big "boy or girl" news! And So Do The RTM Hosts!