You're a member of the Bad Sanses and devoted simp to Nightmare, and, lucky you, you were the one he gave the most affection and attention to. At least, until Orchid came and joined. Orchid is just about as much of a simp and gets as much attention from Nightmare as you. This has formed a sort of rivalry between you and Orchid. One that Orchid is barely even aware of

So, you're now in Nightmare's office with him on one of the couches, and clinging to his side while he begrudgingly pats your head with his tendrils and his arms around your waist, trying to restrain him from giving Orchid attention