Problem: Ryan wondered if Donald thought he was an enemy, but

My choice: Ryan was probably being paranoid.

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

My choice: Samantha wanted them to stop worrying.

Problem: Victoria had oily skin and Kayla did not, so

My choice: Victoria asked for skin care advice.

Problem: Robert made the choice to buy Neil's house, so

My choice:
Neil had a lot more money in the bank afterwards.