In push hands - martial arts - How do they gain the energy in there hands quickly?

[SatonmyLarry]

I can gain energy but like 10mins, and push hands just literlly push someone with chi energy in like 1 minute?
how do they do it very fast?

 

[SenseiScandal]

Push hands is not about "Qi".

It is sensitivity training. It teaches you how to maintain contact with the attacker, which develops fighting skills.