We had supposedly divided the chores at home, but I’m the one who keeps cleaning all the time. Yesterday I shouted because the kitchen was messy, and now cold winds are blowing. Am I being unreasonable, or have I blown it out of proportion?
In such cases, a lack of clarity in task division can create serious tensions in relationships. In psychology, there’s a phenomenon called responsibility diffusion; everyone thinks someone else will take care of it, and one side ends up shouldering more of the burden. If this imbalance persists, the accumulated anger can reach a breaking point. As a solution, perhaps you could create a written plan and post it in a visible location.
But look, it could also be like this: are you the one wanting to take on the cleaning all the time? Sometimes, some people don’t leave space for others when they meet their own standards. For example, is there ever a task you haven’t left for someone else? If you left a little space, would they not interfere at all? 
It happened with my roommate, just like yours, supposedly the chores were shared but it didn’t work out. One day, I literally left the house messy for three days, and when I came back, it looked like that. That’s when I realized it was a character issue; those who don’t do it just don’t care. I honestly couldn’t solve it by talking, so I moved out in the end.
Let me respond collectively to a few people. Yes, I can say that I gave him a chance, in fact, I deliberately ignored it for an extra 2-3 weeks. But no, the kitchen has literally turned into a dump. I got angry and exploded. Now he’s sulking. I don’t know if I exaggerated it or not anymore.
Just sit down and talk like a man. Here’s how you can do it: let’s line up everything, set a schedule, and check it. If it still doesn’t fit, just say it clearly that we can’t live like this; either it has to get better, or we need to separate 
The issue is already clear: cleaning is generally placed on women. It’s as if you’re expected to do it automatically. In a shared living arrangement, everyone should carry an equal load, and your frustration is justified. It would be beneficial to clearly communicate your boundaries from the start in your next roommate situation.