I know where you're coming from, as much as I loathe to admit not being in perfect calm and happy control.
I know in my case it's a lot of stress (I hate that word, it's overused) from multiple different sources coming together on top of chasing T that's got me simultaniously bouncing off and punching walls.
I was told to investigate "stress control" activities, and enact one 3 - 5 times a day, regardless of if I think I need them right then and there, or not. Apparently by the time your're stressed enough to think about doing "stress control", you're already not thinking clearly.
The wait is bad enough on it's own, but that is something you can't really do anything about. Look around and see if there is something that is bugging you that you can do something about in the meantime.
But yes, it's agony and you aren't the only one to have felt it. It's happy depressive fustrating exciting rage, and it's a total left field headf*** for those of us who aren't used to feeling anything at all.