One should always speak truth; refrain from anger, alcohol, sexual act and violence.
One should be peaceful, avoid exertion, speak sweetly, practice japa(chanting names of god) & cleanliness.
One should be courageous, generous, perform penance, respect god, preceptors, and elders, and be away from cruelty and always kind to all.
One should sleep and getup at proper time, take milk and ghee every day, have knowledge about place, time, should have a proper planning with intelligence, not egoistic, have a good conduct, be devoid of wrong thoughts, inclined towards the philosophy.
Read religious books
He always will be endowed with qualities of rejuvenation. Based on similar principles which help to control the mind & prevent psychological disturbance. Thus these not only prevent them, but also help to treat psychosomatic disorders.