Did a random decision you made ever lead to meeting someone who became a significant mentor or influence in your life?

Why do some people lose weight or feel younger when they meet their twin flame, and is there a scientific explanation?
How can you politely refuse a friend's suggestion to visit again when they've previously taken advantage of your hospitality?
How does it feel to hypocritical support a fictional terrorist just because he has the same poor childhood Hitler and others had, yet you claim to hate real terrorists?