Falling For The Bad Guy

I'm working on a new series. And as I'm writing, I keep asking myself: should the heroine fall for the nice guy or shouldn't she be falling for the bad guy instead?Yes, it's a true problem. A romance author's problem for sure. Hear me out. In real life, the heroine should (always) fall for the nice guy, right? The one who doesn't carry heavy emotional baggage and who has his sh*t together. That's the logical choice, no? But what if the bad guy wasn't as bad as he lets us believe? What if he had...