Wouldn't it be so cute if Roman and Virgil looked a little bit into topics the other likes?
Like, Roman has made a few refences to pop punk and punk rock songs/artists. I don't think Roman likes those types of songs, but maybe he looked into them because of Virgil?
Virgil has made a few refences to musicals and the theatre in general. He DEFINITELY isn't the type of person that likes that. It's understandable he'd know a little bit though, Thomas loves theatre, but maybe he looked up a few more musicals to make refences to Roman?
In short, cute Prinxiety is cute. Researching topics that your friend or love interest likes is cute. That's it.