Sergio laughs "Hahah, I honestly didn't know what to expect either!"
He did not see that celebratory hug coming, but he just let it happen. For some reason he felt like it's so natural to hug Ivy, as if they had known each other for ages.
"Oh, it's okay! I'm glad someone in this house appreciates me." He laughs awkwardly, thinking he sounded too full of himself there.