听下面一段较长对话，回答以下小题。
【小题1】What is the conversation mainly about?

A．The decision to go on a diet.

B．The way to change eating habits.

C．The plan to celebrate the New Year.

【小题2】What does the woman think of the man?

A．He is a man of his word.

B．He always breaks his word.

C．He needn’t change anything.

【小题3】What may happen to the man at last?

A．He’ll lose weight.

B．He’ll stick to his plan.

C．He’ll fail to go on a diet.