Problem: Carrie was more successful in relationships than Amy because

My choice: Carrie always knew when to be romantic.

Problem: William always had a few too many when out for drinks with Logan.

My choice: William could never drive home.

Problem: Elena brought the really nice and cool shoes from Rachel because

My choice: Rachel is the seller.

Problem: Lawrence joined the military while Jeffrey went to college, so

My choice:
Lawrence learned a lot about teamwork.