In the story of an hour by kate chopin, mrs. mallards initial reaction to her husbands death is grief. what is the first indication that mrs. mallard has had a change of heart about her husbands death?

Mrs. Mallard's reaction to her husband's death changes to happiness. This happens at the part when she is in her bedroom, looking outside the window. She came to a sudden realization that she's free and can do whatever she wants.