What really makes a bad day, a bad day?

Is it the bad things happening to me or is it my attitude towards any event that happens?

I used to think it was very simple and obvious on what the answer should be. Until now. 

I had a bad day today. Everything was the same as yesterday, and the day before. And still I felt today was infuriating. Everything appeared to be in my way. From my dog not listening to me at the park, to my sibling cooking dinner at the time I wanted to cook my own dinner.

It felt so against me and yet it wasn't. It's stupid that I placed this days with any of my bad days. But I still want to.

Which makes me think if any of my bad days are really bad. Or is it just my inability to chill. 

What's really the point of having bad days. This is stupid. Why my head is mad at my sibling being at the kitchen, or my dog just wanting to chill. Hormones are stupid. This is pointless. 

Still I can't shake the feeling off. I'm sabotaging myself. I suppose it's what mental health does to you. You feel addicted to wanting to feel like everything is miserable. 

I cannot even remember what a real bad day has been for me. I know they are up there. They must be. But I can't feel myself able to access them

I get distracted with silly things. a

Maybe this "bad day" is really a distraction from something else. 

I'm don't want to find out why.