There are three people involved:

A = me

B = my friend and also my roommate

C = a mutual friend whose birthday it was

Background: In our first year of college, B and I (A) were really close. We had small fights sometimes, which made us drift apart a little, but not completely. Naturally, both of us made new friends over time — that's when B became close to C (they are classmates). I met C through B.

For the first three semesters, I still thought B was my closest friend. On my birthday, I was expecting a few friends (who I thought cared about me) to plan something. They didn’t even try. B also didn’t coordinate with them even though she knew I cared about them being there. Instead, B planned a small surprise with C and some of her classmates — people I didn’t even know that well.

I appreciated the effort, but I also felt hurt because the people I was hoping to see weren’t there. C was part of the surprise, and I thought, "Okay, C seems sweet, maybe I can get closer to her." (Side note: B had even asked me what cake I wanted for the surprise. I didn’t know how to feel about that — it made me think they were just doing it for the sake of doing something, not because they really wanted to.)

After that, C and I started getting closer. She even stayed in our room once after a movie night, and we used to sit together for dinner a lot. But C and B stayed closer because of their classes.

Now, coming to C's birthday (recently):

A little about C — she’s super lively, energetic, and popular. She’s loved by a lot of people.

B was going all out for C’s birthday — staying up late, missing assignments, making handmade gifts. I won't lie — I did feel a little jealous because B never put that kind of effort into my birthday. But I didn’t say anything, thinking, "It’s okay, they’re closer now."

I was also working hard — I made a painting of C and her dog because I was genuinely excited for her birthday. B saw me putting in all this effort too.

Then, at around 11:45 PM (right before the birthday), B told me that C had actually made invitation cards for her party — but "forgot" to give me one. I said it was okay, but honestly, it hurt. I felt like B didn’t need to tell me I was forgotten — she could’ve just left it unsaid.

When I asked if I should come to the party anyway, B said no — because there would be a lot of people there.

The next day, C visited our room and cleared things up. She said she had told B something different: She didn’t mind me coming, but because there were many friend groups (and some of them might feel awkward around outsiders), she had told B that. Basically, it was a misunderstanding — and I was welcome.

Now, here's where my hurt comes in: If B saw me working so hard and still cared about our friendship, shouldn't she have at least stood up for me and tried to include me? Especially because B herself had once been in my place — she once made a gift for someone and then wasn’t allowed at their party because "it would make others awkward."

I knew most of C’s friends would be strangers to me — I wasn’t planning to stay long anyway. I just wanted to give my painting and leave after cake-cutting.

Now, I’ve stopped talking to B because I feel she doesn’t value our friendship like I do. And honestly, B hasn’t even tried to talk to me since.

I know this sounds a little childish, but I just want honest opinions.