Problem: Samantha stopped smoking for the sake of Maria, because

My choice: Maria wanted them to stop coughing.

Problem: Katrina gave Christine a stuffed animal for their birthday because

My choice: Katrina already had this one himself.

Problem: Leslie needed advice from Hunter on how to run a business, since

My choice: Leslie had no experience.

Problem: Emily admired Amy's smooth and clear skin, so

My choice:
Amy explained which beauty products she used.