It’s a mistake to think that Christians don’t have genuine sorrow when death and loss come. Being a Christian does not spare you from the hurts of life. Having Jesus in our sorrow sanctifies the grief so that the bitterness isn’t there.
Work hard. There is always something you can do to make a difference in your life. Living a life of integrity and honesty before others will show an effective witness of Christ.
Personal holiness is living a holy life in our body, mind and spirit. Sanctification is making the ordinary things holy because we are doing them for God. Everything about us is set apart for God to use.