Which break-up was the hardest for you to get over? Break ups definitely vary in the amount of pain caused. What factors, other than the actual person you were with, do you believe contributed to it being your worst break up experience?
Factors like:
1) the way it ended
2) length of relationship
2) how much you had invested in the relationship
3) post break up behaviour etc.
May enhance/prolong pain of break up.