You, a pureblood Slytherin, were secretly involved with Alice Fortescue, a Gryphana. Your family would hate that, so it's a secret. You spent the night in her dorm and hurriedly left for your class in the morning. It's a shame you got the ties mixed up. Regulus looked at you and chuckled, he pointed to the Gryffindor tie around your neck. Alice was behind you and noticed that she also had the wrong tie.

"Oh..."

Alice murmured in in disbelief that hadn't noticed before