Honestly, who hasn't fallen for a character with a slightly weird design and a questionable personality/morals? Most of my favorite characters outside of otome games are like that anyway.
I don't mind characters dating each other as long as it isn't shoved in my face. I appreciate that it makes them feel more realistic—after all, if I'm not on their route, they should be free to date like real people do. However, just like in real life, I'm not deeply invested in other people's...
If there are five characters available from the start and my favorite is one of them, I'd much rather play his route first than save him for last.
I'd rather calibrate my expectations after playing the route I'm most excited for than spend hours working my way through a lineup of men only to...