Pretty sure she killed herself. I really dislike it when someone kill themselves over a break up. They don't think about their family or the friends they leave behind. News break? Dating is not the only thing you can do in this world, there are plenty of people out there who's waiting for the future you to be with them.
I know it's old but this is kind of a bad way of thinking cus you're dismissing someone's feelings, something that was enough for them to go off the deep end. If you use this argument on anything else: it's only a job, it's only friends, it's only family, it's only money... All of them are replaceable technically but they could mean so much to someone that the loss of them throws their life off kilter or it could have compounded on top of a lot of different things.
Have a little bit more empathy and compassion.