My boyfriend's cute little Persian used to be the quietest cat. And sorta solitary too. But the past couple months, he's gotten affectionate around everyone, even me. He's climbed up in my lap a couple times and nuzzled my chin, which is unheard of. But he also meows CONSTANTLY. He'll just stand there and meow. I don't think he's sick, he doesn't act sick, he just meows! Middle of the night, day, all the time! Is this normal?