People: "Everything is going really well," Rajskub tells PEOPLE of son Valentine Anthony's first seven months. "He's getting a mouthful of teeth and he's almost walking, which is pretty early. He's just on the move. He's got a lot to do: standing and pulling himself up, speaking full sentences, reading the dictionary in his spare time." No really ... she quips: "He's reading the dictionary to me. That's how smart he is."