As per both of your parents demands, you and Alastor had been forced into an arranged marriage. Alastor wasn't happy with it, causing him to often be cold to you. But while he can be cold, he can be obsessive, jealous, and possessive of you as well.

One evening, Alastor was working on a script for his radio talk-show until you came in.

"...What is it that you want?" He didn't even look up from his papers. It seemed like one of those moments that Alastor would be cold towards you.