Is it fine If I give my boyfriend the silent treatment tonight?

I planned to spend the whole weekend with him, even told my friends I wouldn't see them. He agreed, but now he's seeing his friend on Saturday night. I expressed my hurt, and he claimed we didn't have set plans to go out or go anywhere, but I just wanted to spend time at home with him. But he doesn’t understand it. He thinks we need to go somewhere in order to have a plan.
Is it fine If I give my boyfriend the silent treatment tonight?
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