171. I shouldn't have said that

W: Miss Li must have been angry when having dinner last night.

M: I shouldn't have said that.

W: It's not all your fault.

M: How did you make Mr. Zhang so angry?

W: I shouldn't have said that.

M: I suggest you appologize.

172. I am likely to act on impulse

W: How can you be that childish?

M: I am likely to act on impulse.

W: You'd better calm down in the future.

M: I am likely to act on impulse. How can I change?

W: Think a while before acting.

M: Thank you for your advice.