Why do women initiate divorce so much more than men?

According to stats in the US, women initiate two out of three divorces. That means women are two times more likely than men to start a divorce procedure . But, women are usually the ones wanting to marry so bad in the first place. So what is going on there?

What makes a person leave a relationship?

I want to hear from both sides both men and women what makes you leave a relationship? What makes you say enough is enough? What makes you tick? Im curious to hear what both sides have to say.