Problem: Continue the following story.

My sister's relationship lasted longer than my marriage because the 
Here's how I want to continue it: marriage of mine was weak.

Problem: Continue the following story.

Neil really likes to eat bananas in the morning, but Christopher does not because 
Here's how I want to continue it: Christopher is a fruit hater.

Problem: Continue the following story.

The bread Sara purchased yesterday at the store was already growing mold, because the 
Here's how I want to continue it:
store was inept.