Problem: Continue the following story.

Brian swore by hair removal cream while Logan didn't use them, because 
Here's how I want to continue it: Logan never had a problem with shaving razors.

Problem: Continue the following story.

Elena is a more efficient teacher than Tanya because 
Here's how I want to continue it: Elena takes the time to teach the students.

Problem: Continue the following story.

Since Maria had straight teeth and Lindsey did not, 
Here's how I want to continue it:
Lindsey was told that they needed to get braces.