Teacher Confused!

In the morning class after teaching, teacher asked gently to students:

Teacher:
Who was fought by parents yesterday?

All the students stood up except one, whose name is Modern calling in Cambodia word "Louy", sitting with unhappy feeling and sad face. 

Teacher:
Louy is so good!
He is endeavor student and try to absorb knowledge, especially as assistant at home, so parents cannot fight him.

Student, Louy:
Teacher! I do not need this admiration.

He added more:
I cannot currently stand up, please did not confused.

Teacher:
How confused I am!

Student, Louy
Yes! In fact, I cannot stand so long because last night my mother fought my legs to be swollen.