This is a children's book about a blacksmith. His heart is made of metal and he carries it around in a bucket or something because he is afraid to feel. Then he meets a lady who helps him feel again. I can't remember all the details.
Stump the Bookseller
New format, same book stumper solving.
Long shot: Henrietta’s House, a.k.a. The Blue Hills, by Elizabeth Goudge.
Not that one 🙁
But thanks