Problem: How does the sentence end?

Robert comforted Logan because 
Answer: Logan was in so much pain from the car accident.

Problem: How does the sentence end?

Jeffrey wanted Neil to do well on the SATs, since 
Answer: Jeffrey could not go to college when they were young.

Problem: How does the sentence end?

Since Michael brushed their teeth more often than Brett, 
Answer: Brett had unhealthy and weak teeth.

Problem: How does the sentence end?

Monica wanted to help Amy with their ADHD, so 
Answer:
Monica got them to agree to see a doctor for help.