Is this weird???????????

my uncle, has a best friewnd named rudy, and a few months ago he was going out with my aunt kathy, well, 2 months after they broke up my uncles bestfriend started to see another girl named kathy, and 3 weeks later they are getting married, the thing that really shocked me was the fact that her son is a guy that my ex-best friend used to go out with and it feels just soooooooooo effin werid!!!!! the wedding is today and idk if i want to go ??????????????????????????????????????