The welcome deals with the life of Jacob and Sister Kathryn points out we must wrestle with God until we overcome all enmity and pride that blocks the grieving process.
The focus on Pastor Ray's sermon is primarily on Jephthah's daughter, who agreed with her father that her life was over and spent time mourning over the loss of it. Have you agreed with Jesus that your life is over? Have you completed the mourning over the loss of your life into the hands of Jesus, so that He can come to work in power in your life?
Know that the heart of Jesus is that you and I, through His blood, become overcomers and no longer operate as heel-grabbers.