I'm surprised to see so many people caught off guard by the sudden
“then it'll be my favorite too” cause I'm really familiar with it, and I feel like it's one of the
least weird things about Sera. I did the same thing when growing up and falling for my best girl friend in middle school; her favorite color was white so I decided it would be mine as well. It was very silly of course, but I was very deep in the closet and wanted to share something personal with her while being under the “certainty” that we could never really date. Then I completely forgot about that for years, until I was reminded when I heard Red Velvet's Irene mention this about her high school years:
Surely it's not that strange?