To grow up sstamina and internal power one should keep 3 goods in mind and that is EAT GOOD,SLEEP GOOD and THINK GOOD.For thisyou have to be mentally very fit as a strong mind iss atrong body.
1.Daily Brisk cycling /game of your choice in winter for 1 hour and Swimming in summersfor 1 hour.
2.Daily morning laughing therapy for 10 minutes
3.Deep breathing exercises/Cardio exercises in Gym.like ALOM VILOM PRANAYAM,BRAMARI PRANAYAM
4.Always use stairs instead of lift
5.Always have a positive approach to everything a only positive people are strong from inside.
6.Eat a healthy balanced diet and prefer mothers made food.
7.Adopt values at your house and be polite to all.