Problem: Continue the following story.

Randy was able to fit into old college jeans but not William because 
Here's how I want to continue it: Randy had actually lost weight over the years.

Problem: Continue the following story.

Yoga was relaxing for Kyle but Kenneth found it stressful and frustrating. 
Here's how I want to continue it: Kyle had always been very flexible.

Problem: Continue the following story.

Matthew was a vegetarian but Kevin adored seafood; 
Here's how I want to continue it:
Matthew thought lobsters and crayfish were disgusting.