" you have to cooperate, it's not a matter of " who's the best " in the Poon Sau, just need a big exchange of strength...

I need his strength, he needs mine, so we work together. ....
The only things in which we do not cooperate with the comrade are subsequently goh sau and sparring, what is before is just our training method that serves so that both partners become good, so one must help the other "
PhB.