one of the ways of earning the mercy of Allah at times when difficulty is all over to revive a Sunnah of Muhammad peace be upon Him: to fast every Monday and Thursday & fasting three days every lunar month that is 13th, 14th &15th .
When we start giving importance to the Sunnah of the Prophet Muhammad peace be upon Him Not only would we improve in our relationship with Allah, but we would earn his Mercy, His blessings, alleviate the sufferings and at the same time our health would also improve. – Mufti Menk