Problem: Because Samantha was shy and Monica was very popular in school,

My choice: Monica had very many friends to hang out with.

Problem: Problems seemed to always find Michael in his life and not Craig, due to

My choice: Craig being lucky.

Problem: Jason inherited a very successful family business but not Joel because

My choice: Jason had savvy parents.

Problem: Carrie has a harder time breathing at high altitudes than Samantha due to

My choice:
Carrie being in terrible shape.