Coworker of the cosplayer; I saw the whole thing go down. So perhaps I can clarify a few things I’ve seen brought up in other comments:

Honestly, this is the first I’ve ever heard that childhood friends getting married is somehow strange. Most people I know think it’s sweet. How do I know this? I’ve been friends with my two oldest friends since kindergarten, and I was the one who officiated their wedding about a year ago. That’s right, two people who…