Problem: How does the sentence end?

Joel declined Hunter 's invitation to go on a long hike, as 
Answer: Joel prefers to be indoors.

Problem: How does the sentence end?

Kayla became upset when Sarah did not quickly respond to the message, because 
Answer: Kayla was demanding.

Problem: How does the sentence end?

Nelson got worried more often than Dennis did because 
Answer: Nelson had issues with anxiety and depression.

Problem: How does the sentence end?

Maria would often yell at Erin to get their clothes off the the floor. 
Answer:
Maria was a neat freak.