Hello Aya, welcome to the forum. Have a parrot.
Pretty much what everyone else has said. You may find this is just a temporary thing and return to being a happy muslim, or this may well be what it seems, the end of your faith. Either way, it's not a bad thing. There's nothing wrong with being a muslim or an ex-muslim, but it's something that ultimately you have to come to on your own.
It says in the quran that allah has not made us with two hearts. I personally view this as metaphorical, not literal. We view and believe certain things a certain way. I cannot at the same time believe in the quran while seeing flaws in it.
Let me run through a few points, just so you have a clear understanding of my reasoning,
The quran, like all the other holy texts, claims to be the word of god. The way to verify this is testing it, see if it stacks up. Quite frankly it doesn't.
The quran teaches that humans were created from clay in a specific creation. If you're to count on the hadiths, then it's just even more ludicrous. We know the first human was not a 90 foot tall clay giant. Even if you don't take the hadiths into account, it also doesn't account for evolution, the proof of which is overwhelming. Nor does it account for the number of people today who have Neanderthal DNA in them from before the Neanderthals went extinct. Everything I know to be proven fact contradicts the claims of the quran. The only logical conclusion I can come to is that it was a story told by ancient societies because they didn't have any answers. Adam never existed. It's not real.
The story of the arc and the great flood. This would have happened around 4000 years ago. It's quite simply impossible for the number of races, ethnicities and the huge amount of genetic traits to come from one incestuous family in just 4000 years. It cannot happen. Something else that puts a hole in the story is the amount of people who were thriving at this point. God flooded the entire world. Except for the Chinese who were developing at an incredible rate and remained unaffected from a global flood that wiped out every human on the planet. The Japanese were also unaffected. And the Africans. And the Europeans. And the Native Americans. And the Aztecs. And the South Americans. And most of the middle east. The flood never happened. It's not real.
Mohammad splitting the moon. Now this I can't prove to be false, but I can weight it against other things. People throughout the world at this point gazed at the stars. The Greeks, the Romans, the Chinese, they all had wonderful astronomers who mapped out the night sky. Certain claims by one society are matched by claims in another. Ancient Greeks for example would leave records of things they observed, shooting stars, eclipses, things that would last seconds or minutes, the same claims found with other peoples they had no contact with. Both recorded things matched by the other. So it's reasonable to assume that if Mohammad split the moon and then joined it together again, someone somewhere would have also noticed apart from a few Arabs in the desert. Maybe the rest of the world was on holiday, but I doubt it. I have to say this isn't true.
The sun orbits the Earth...yeah, we've known that's bullshit for a few centuries now.
It says in the quran that in the embryo/foetus the bones are the first thing to form. "So we made the clot a morsel, so we made the morsel bones, so we clothed the bones (with) meat". This is wrong. The skeleton is actually among the last to be formed. You'd think the all knowing creator of everything would realise this. It's wrong.
The stars are missiles to be hurled at jinns. Or they hunt demons. I haven't read the quran in a while so I can't remember the exact quote, but you can look it up to see exactly what it says. This is also wrong. The stars are just stars, they do the exact same thing as the star we orbit, the sun.
Women are defective in intelligence. Coming from a culture where gender mixing is the norm and close relationships aren't looked down upon, I can tell you this isn't true from my own experience. And then there's current trends in school grades, sciences, IQ and employment performance, the fact there are women in MENSA (if you don't know MENSA is like a super genius club, only 2% of the human population globally have a high enough IQ to qualify for membership). Now we live in an age men and women have equal rights, women are on the same level and even starting to out preform men. So I'm going to say this is wrong.
It becomes a common sense issue. Let's say that I'm wrong. Let's say all the things I'm of the opinion are true are wrong. It doesn't change the fact that I find the quran unbelievable. I can't have more knowledge than what's available to me. Let's take evolution. I find it believable. I'm convinced of it. The quran goes against it. I have no reason whatsoever, nothing at all compelling me to believe the quranic story over proven scientific fact.
Or another, let's take the big bang. I'm convinced by what knowledge I have that before the universe, and after the universe, there was no Earth. This planet did not exist. It took a very long time for our star to be born and for our planet to form. This seems plausible to me. From what I know of physics and cosmology, I can accept this. I have no reason whatsoever to believe that the Earth existed from the start and was ripped apart from heaven.
Or another. The quran and hadiths suggest a flat Earth. At one point it's spread out like a carpet, at another the Earth is like an ostrich egg (had to pick the bird that buries it's egg and flattens the soil), allah will roll up the Earth like parchment/paper, and on and on it goes. Everything I'm aware of tells me this is wrong. It becomes less and less believable to me.