What is the main cause of divorce or seperation?

What do you think is the main cause of divorce or seperation nowadays? Now, that are government is already Debating in legalizing divorce in the Philippines. 

What is the main causes or reasons? I mean, Except for the obvious already. 

I have been thru Ups and downs with my Husband. All of the Problems? Yes! Name it. But im still here. So Im really curious. How other People is thingking about being seperated. 
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I would say, Temptation tita. I know we are a Catholic country. 
But now, mostly of the Filipino is being open minded. They are more exploring. 
Just like sex workers being explained now, Ofcourse, gambling. And many more 

Its either they will cheat or lie and break your trust. And the end result is divorce, separation or break up. 
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I think cheating is  the main reason couples break up. Its super easy now with all the gadgets we have. They can cheat and keep it hidden so quickly , one text , one chat. and theyve got a secret conversation going that they partner wont even know

For me, the main reason couples end up separating is because we lack faith in God and we're easily influenced by negative forces.

i agree to sis mich and madz. specially on telegram so many woman is selling themself online