Problem: Continue the following story.

Kevin had to use less sunscreen when at the beach tanning than Justin because 
Here's how I want to continue it: Kevin had less sensitive skin.

Problem: Continue the following story.

I liked the reason a lot better than the excuse, because the 
Here's how I want to continue it: excuse was fake.

Problem: Continue the following story.

Derrick was very skilled in calligraphy but not Randy because 
Here's how I want to continue it:
Derrick had a steady hand.