Hi welcome - I can see you are undernourished, so come up weight with more protein which can grow your stamina, strength, overall body structure. Eat plenty of greens, green vegetables, fruits like banana, grapes, Guava, cucumber etc.add enough dairy sources, chana, curd, , milk also. fruit juices soups, stew, 8 hours sleep are good for your health to be more dynamic, live.Avoid all junk, fast or street foods but always nutritious foods or meals. drink more with enough fluid.