I don't know that this will help at all, but I had a horrible reaction to Effexor.
My best friend stopped by the high school at lunch to see how I was doing. The guy literally just said "Hi" and I cussed him out, walked about 5 steps and sat down in the middle of the sidewalk and cried. Crying was
not something I did in public at the time
EVER. Don't think I've ever cussed anyone out for saying "hi" either.

We stopped the Effexor immediately.
I never tried Cymbalta, though, so I have no comparison for you. (Yeah, this was probably not helpful at all, sorry.)
Good Luck!!!!