Problem: Continue the following story.

Brett wasn't sure what color of dress to buy unlike Derrick because 
Here's how I want to continue it: Brett was indecisive.

Problem: Continue the following story.

Rachel enthusiastically told Angela how she got a job at a cool workplace.  
Here's how I want to continue it: Rachel was excited.

Problem: Continue the following story.

Josh treated his tuberculosis with antibiotics and lots of rest, since the 
Here's how I want to continue it:
rest would help fight the sickness organically.