is it real ?
Yes, as funny and extra as this sounds it's a real feeling. It's a common feeling that plenty of us go through and it's okay. This doesn't make you any different from everyone around you because this is absolutely normal; to feel like you might miss out on something in your absence. Everybody wants to have fun so it's not absurd to feel this way.
For example recently I felt this way when I took a decision regarding not attending our last days of school, I had such bad FOMO, which made me overthink the decision so bad.
But it's only natural to want to have all the fun and not miss out on anything.
Have you heard about JOMO, the joy of missing out. Had it's ever been one of those days when you just want to be inside your house and not go to that party everybody else is attending and you feel content about the decision, well you just experienced JOMO.
But we never obsesse over this feeling do we ? Then why do we stress ourselves out about FOMO.