See and I probably would have asked her out twice, haha.
"red flags/bullets" are more just extremes of character that are taken into account when you get to know someone.
if enough of what they do fits into this list: https://en.wikipedia.org/wiki/Psychological_manipulation
that's enough to avoid.
everyone does them from time to time of course but if they do it all the time or knowingly do it then they're definitely not worth it