Wow, guess it’s a good thing reunion only comes once a year. I know that at the stage your friends are at, it’s just a relief to get out and have someone to share experiences with but it’s also a relief to get out and have adult conversation. Surely there are things you can talk about, from the newest Jewish movie to books, to current events, etc.
Why they act strange? I can’t say. It’s not like you’re wearing a T shirt that says “last one single”. So you’re not married yet. If you have the smiley face you claim as a name they should be returning it. Keep smiling and may Hashem be memalei kol mishalos libeich l’tovah.