Hm, I think mine are mostly mental things.

I can be extremely inflexible due to anxiety. It can be as simple as refusing to go to a different restaurant at the last second because I already looked at the menu online for the first restaurant.

I also have bad moods where it's best to just leave me alone. Sometimes it's over in five minutes and I'm back to normal, other times it lasts a day. Sometimes I have no idea why it happens, other times I know and it's something incredibly stupid that I just need to work through in my mind.

But, I think, perhaps my biggest form of baggage comes from the simple fact that I want to be a people person and I'm just so not. I range from weeks or months of attempting social interaction as I see other people doing it, followed by a complete meltdown over it. Then I have an "I don't give a shit" period followed by watching people to figure it all out. Then it starts all over again. All of that causes mood swings and stuff. Probably not very fun to be around for that reason.

I've had relationships negatively impacted or ended over those things before.