There’s just something about the sound of a baby laughing that makes people’s mood instantly improve. For parents, the sound of their children laughing is just music to their years because there’s nothing parents want more than seeing their kids being healthy and happy. In the video below, a proud dad witnesses his baby daughter’s first real big laugh, and his reaction is priceless! This is one of those moments dad will most likely for the rest of his life. Good thing he also has a video of it, you know, just in case he forgets any specific details!