Both the Old Testament (1 Samuel 16:7) and the New Testament draw a clear distinction between the priority of the inner person over the outer person. Yet in our modern world that priority is reversed. Far more attention is put on cultivating the outward appearance than is put on developing the spiritual person. 

That’s not to say that the physical person is not important. Paul made clear that our body is a temple of the Holy Spirit and should be treated accordingly (1 Corinthians 6:19-20). But Paul also made clear that our physical body is slowly fading away and will return to dust in anticipation of a glorified, eternal body when Christ returns. As he said in 2 Corinthians 4:7-18, things that are seen are temporary while things that are not seen are eternal. Death is at work in us physically, but life is at work in us spiritually (verse 12).

Make sure your priorities are biblical and that you are cultivating the life that will live eternally through prayer and Bible study. 

All that is not eternal is eternally out of date.
C. S. Lewis