Any Catholics out there might want to read 31 Things You Thought About During Mass I haven't thought of quite all of them, but yeah, way too many.
No, of course not "GUI", but...
24. I can’t believe those people who leave right after Communion…they should stay for the end of Mass and the recessional hymn.
25. And the recessional hymn is…no!…”Lord of the Dance”?…Can I leave now before my ears throw up?