Problem: Continue the following story.

After Donald picked up and slammed Joel through the coffee table 
Here's how I want to continue it: Joel felt very injured.

Problem: Continue the following story.

The dog of William was taller than the dog of Samuel because the dog of 
Here's how I want to continue it: William was several years older.

Problem: Continue the following story.

At the party, William had several glasses of the spiked punch and Christopher had none, because 
Here's how I want to continue it:
Christopher is a teetotaler.