Why anne Karenina commit suicide?

There are a number of reasons why Anna Karenina commits suicide in Leo Tolstoy's novel of the same name.

* Anna is deeply unhappy in her marriage to Karenin. He is a cold and distant man who does not understand or appreciate her. She feels trapped and suffocated in their relationship, and she longs for a more passionate and fulfilling life.

* Anna falls in love with Vronsky, a young and dashing cavalry officer. Vronsky represents everything that Karenin is not: he is passionate, attentive, and loves Anna unconditionally. Anna is swept away by her love for Vronsky, and she is determined to be with him, even if it means leaving her family and her social status.

* Anna's affair with Vronsky is scandalous and ostracizes her from society. She is shunned by her friends and family, and she becomes the subject of gossip and ridicule. Anna feels isolated and alone, and she begins to spiral into a deep depression.

* Anna is haunted by guilt over her betrayal of Karenin and her children. She knows that she has done them wrong, and she cannot bear to live with the pain and guilt that she feels.

Ultimately, Anna's suicide is a result of her deep unhappiness, her unfulfilled love for Vronsky, her social isolation, and her guilt over her actions. She sees no way out of her misery, and she chooses to end her life rather than continue living in pain.