At first i want to delineate the thing that why it is needed .It works on two ways ;Firstly it helps in soothing the physical stress and secondly it gives the fathom to us to be absorbed by the worldly enjoy and the entertainment .Once Dalailama told that vipassana (method of meditation) gives the capabilities to cope with the physical pain and the illness.
Commitment, faith, trust and love are big things to deal with care. A single mistake may cause the biggest pain of being a human with false love, faith, trust and commitment.