Which experiences in life give the most valuable lessons?

Question

Which experiences in life give the most valuable lessons?

Answer 1

Being in any kind of relationship.  It can help someone grow and become a better person, because one can learn more about themselves while learning from others, and serving someone besides themselves.  

Answer 2

I think we learn the most from the mistakes we make in life. Its just a pity some of those mistakes cannot be rectified.

Answer 3

Often, its the ones that hurt the most.

Answer 4

i learnt alot from my first heartbreak. alot more than i thought i would actually, i learnt to be self-dependent, not to let my personal happiness depend on others... and it was only at age 13! haha