HELP!! Plz

So the last couple weeks I’ve noticed that I’ve just turned into the worst person to my partner. It’s gotten to the point that I’m just angry at him all day everyday and blame him for everything even if it’s not his fault. What do I do, how do I stop getting angry? How do I show him that I don’t mean to get angry at him and that I really love him?

Update:

Thank you everyone for your advice I’ll try everything that you all suggested.