Problem: How does the sentence end?

Christopher relies too much on Kyle for daily activities like cooking meals and doing laundry because 
Answer: Christopher doesn't have arms.

Problem: How does the sentence end?

Randy's health was being examined by Robert because 
Answer: Randy had been a long time patient.

Problem: How does the sentence end?

Getting good grades at school was easier for Tanya than Elena because 
Answer: Tanya  really liked studying.

Problem: How does the sentence end?

Being romantic came naturally to Craig but not Michael because 
Answer:
Craig loved his wife very much.