JR FERNANDO
JR FERNANDO voted up Yo Kass' answer

Training, and lots of it. A good diet and routine (including proper sleep). Building stamina and fitness is a science in professional sport, but a lot of it is also just common sense.

Spending time at the gym, jogging regularly, gradually increasing your stamina over time is the way to go. There isn't really a "trick" … Read more

JR FERNANDO
JR FERNANDO thanked Yo Kass' answer

Training, and lots of it. A good diet and routine (including proper sleep). Building stamina and fitness is a science in professional sport, but a lot of it is also just common sense.

Spending time at the gym, jogging regularly, gradually increasing your stamina over time is the way to go. There isn't really a "trick" … Read more