'"Mmm," Harry copied him, a small smile forming on his lips. "Mmmm!" He said again insistently, as if expecting praise.' After being rescued from the outrageous treatment of the Dursleys, Harry Potter is handed to Severus Snape and at first nothing good can be made out of the relationship. Babies can be quite a handful and Snape is NOT a tolerant man. Baby!Harry and lots of fluff.