invite a friend a dinner ，because you just passed

A:congratulations, you've passed the exam
B:thank you, that's why i invite you here to have dinner
A:you must have been through lots of difficulties and obstacles to make it
B: you bet.and i'm happy it's over now..
A:ok, forget about,and enjoy the wonderful night..
B:pretty good idea!!

哎..太恶心了。.哈

什么玩意？这是对话吗？连个开头结尾都没有~~~
哎..太恶心了