Tends to repeat

With a clear view of the past, the future gets less scary.
Shut up your imagination for a while, the strategy works better with facts.

Things tend to repeat.

 1|--------------------------| Grandfather
 2|* Good thing
 3|-----------------------------> Grandmother
 4|  * Bad thing
 5|   |-------------------------> Father
 6|        * Good thing
 7|           * Bad thing
 8|    |------------------------> Mother
 9|                 * Good thing
10|             |---------------> You
  |-----|------------------|-------------------|