What is ironic about the fact that Framton goes to the countryside to relax his nerves?

The irony in Framton's decision to go to the countryside to relax his nerves lies in the fact that his experience there only heightens his anxiety. Instead of finding peace, he is confronted with a bizarre and unsettling situation involving a supposed tragedy and an unexpected return, which ultimately triggers his nervous breakdown. His attempt to escape urban stress ironically leads him into a more chaotic and frightening scenario.