Abandoned to the Cold (слэш)

Trapped at the Dursley's over 6th years winter holidays, Harry stumbles over a snake, abandoned in the cold. Harry manages to sneak the snake inside, whereupon the snake is quickly introduced to the muggles abuse of Harry. Harry names the snake Riddle, as it is both a fan of Tom Riddle and a complex enigma, discovers his unexplored talent for wandless magic, and begins to truly Occlude. Throughout the harsh break, Riddle remains a source of comfort and companionship to the teenage boy.
Riddle: what secrets does this snake hold?