When Alice's brother warned Colt she never repeats her mistakes, he didn't take any notice of it; he hadn't intended to make one.
Now he has, though, and it turns out Shane was right: she doesn't even listen to anything he might have to say. Her body, she has no problem relinquishing, but if he ever had a chance of touching her heart, it's gone.
Alice is feeling good; she has sex on tap, her career takes a new unexpected turn. Sure, he's taken her heart and ripped it from her chest, but that's what men like him do.