Why the heck is he like this?

My boyfriend wanted me to come over and cook for him and I agreed. But when I was going to cook downstairs all his friends were there whom he lives with. The problem is I told him I dont feel comfortable and I feel awkward when's there's so many guys and I'm the only girl. Now me and his friends get along very well. But at his home I dont feel comfortable when I'm the only girl there I feel fine when all their girlfriends are there.
I told my boyfriend I will cook for him but I feel awkward and don't want to go to thr common area cuz all his friends are there. Instead of acknowledging my feelings, my boyfriend said I can leave if I don't want to come down and cook for him.
I'm so pissed he didn't understand my feelings and told me to just leave!
Why the heck is he like this?
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