Its indeed true of all the points you mentioned. There are seasons on live. A time to live and a time to die. A time to sow and a time to reap. There are time where supernatural healing is needed and times where God applies His healing through people. It is high time we seek the wisdom of God to discern the seasons in order for His perfect will to be done. What this poor family encountered is that they couldnt discern the times. Lets pray for wisdom everytime we go on our knees to pray.