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1.
The feeling after a musical is over and you realize you have no life. After putting months into making a show perfect it is all over. It is a feeling of emptiness and sadness. Usually during the finale is when this begins. It can continue from then till weeks or months after the shows finished. You get little pangs when you see something that reminds you of the musical or when your sitting at home on a night when you would usually be performing or rehearsing. This depression is generally shared by most of the cast and the last show and cast party generally involves a lot of hugging, crying and beautiful parting words. When you run into one of your show family after this depression it usually involves a lot of hugging and crying and comes back for another couple of days. The only way to fully recover is to go head on into another project and remember all the good memories. It is a bittersweet feeling. It is only really understood by fellow theatre dorks.
Friend- Why are you so sad?
Me-Just finished Hairspray, having Post-show depression
Friend- The hell is that?
by Theatre dork June 09, 2013
 
2.
when you finish a play or a musical and you feel like absolute shit afterwards. you have time to realize that your entire schedule was rehearsal, rehearsal, and more rehearsal. and you also realize that you have no life outside of theatre. im going through it right now, and theres been lots of crying, reading the script, reciting lines over the phone with the other leads, things like that. its emotional.
Friend- Hey, Erin, what's wrong?
Me- Oh, nothing... Just post-show depression
Friend- You do this after every show you're in.
Me- -nods sadly-
by erin banana November 17, 2013