Asdrubal luna / Unsplash Breaking up with a toxic person can sometimes feel like your world has crumbled in on itself. While you will eventually feel free from their clutches, it takes a while to get there. Because of something called trauma bonding, abusive relationships can be incredibly hard to leave. Over time the abuser — especially if they are a narcissist — will have made you feel like you can't live without them.See the rest of the story at Business InsiderNOW WATCH: The science of why human breasts are so bigSee Also:It hurts when someone you're dating doesn't text you back — but you might be upsetting yourself more than they areLove and obsession are two different things — here's how to tell them apartExperts say codependent relationships are damaging — here are 8 warning signs you're in oneSEE ALSO: 7 positive lessons you learn when you leave a toxic, abusive relationship behind