Erin was aware of the fact that when Penelope was going to wake up she was going to need something to lower the effects of the amount of wine she had drunk. When Erin woke up the next morning, he looked around to find himself in Penelope's quarters. He recalled last night's events and was sure that she was not in the state to learn how to shift when her mind could play tricks on her because she was drunk. It can affect her changing into a wolf and can mess with her imagination, which was important to change into a wolf.
He gently got up and made sure not to wake Penelope up. He smiled when he saw her deep in sleep. He was about to touch her cheek but then stopped thinking that she might wake up and then the hangover headache would start. It was better to let her sleep and not see her in
