What ruins a date instantly?

Well, I've heard a story from one of my dad's friends where, when he was younger, he went on this date with a woman. On their first date the woman's brother also shows up for the date. He thought it was a bit awkward and reckoned it was maybe a silly thing where the brother was just a bit overprotective of his sister and wanted to check everything out on the first date. So, he didn't make a big fuss about it. However, on the second date, after paying for everyone's food (including the brother's) he told the woman that he really liked her, but that he cannot go on a date with her again if her brother comes along. She was off course heavily offended by this and didn't want to see him again in any case. So, yeah, I think an uninvited guest (like a sibling) could instantly ruin a date for some people.

/r/AskReddit Thread