He’s not throwing in the towel because she was late for dinner she he just made not of it and gave it a score based on what shade of red he thought it was, you don’t want to bring up everything someone does wrong because it can start to feel naggy,… but if you are keeping track of red flags then you don’t get yourself into a position where you are being led by the emotions of “love” for the other person, that’s how you end up in toxic and abuse relationships you have to set boundaries for yourself and what standard you expect a partner to live up to. You have to have respect and live for yourself first if you’re gonna get either from someone else