How did valli react when she saw the dead cow by the roadside?

Valli enjoyed watching a young cow with tail high running in middle of the road on her way to town but when the bus was returning back to the village she found that the cow was lying dead by the roadside and there was blood was spread all over. The cow might had been struck with some fast moving vehicle. This haunted her and from then on she refused to look out of the window on her way back to the village.