As one gets older, two things start to occur in our thinking. Now before I identify those two signs of aging, they are an inseparable marriage in the Christian who is passionate about leaving a mark for Christ in their life. However, they are poles apart in the non-Christian and lukewarm, backslidden Christians. In fact, the second sign of aging is absent in the non-Christian and never thought of by the lukewarm, backslidden Christian. So, what are the aging signs?