By Grace Through Faith in Jesus Christ

"We're saved by grace. And not only are we saved through faith in Jesus Christ -- we live by grace through faith in Jesus Christ. Paul put it this way: "For through the law I died to the law, so that I might live to God. I have been crucified with Christ. It is no longer I who live, but Christ who lives in me. ... I do not nullify the grace of God, for if righteousness were through the law, then Christ died for no purpose." Galatians 2:19-21 * There are people in my life that are hard to be around. Should I simply avoid them? * How to Catholic justify praying to the dead or to Mary? * What did Jesus mean by: "...shake off the dust from your feet as a testimony against them"? in Luke 9:5 * Can you give me an explanation from 1 Corinthians 12, 28-30 concerning healing?