Samuel is the antecedent, and his is the pronoun that refers back to the antecedent.
Answer:
This love affair began after Olivia bought Rex a squeaky toy. Declarative and simple
My dog Rex is in love with my friend Olivia
. Declarative and simple
Rex is very comfortable with Olivia. so I
sometimes leave him for dog sitting at
her house. Declarative and simple
I would...be the goddess of pain and suffering. Although that sounds negative, I could actually clear up a lot of junk in the world when you think about it. If I eliminated the pain of those that don't deserve it, or fix a certain life problem for someone, or a whole group of people, I could fix so much in the world. (That's just one idea, lol I can send you other ones or add more detail to this one if you'd want)