Boyfriends Instagram

My boyfriend is at firefly right now. And he posted a picture with a girl. And they’re posing together in the picture and they look really happy. And in the photo is looks like they are dating and a lot of people keep asking if we had broken up because he has only posted one photo of us. And they think that we had to have broken up for him to post this picture. And the picture does upset me and I asked him why the only photo he posted was with him and some girl when he went with a group of 5 guys. None of them are in this picture. I said I wasn’t super comfortable with it being up and he told me he didn’t care what I thought he’s keeping it. I don’t feel like I overreacted. I explained why it bothered me and asked for it to come down and he straight up said he didn’t care. Am I wrong to want it taken down?