Well, the hangover after rolling can be pretty scary for someone who's already prone to depression.
lsd / 2cb is not common in US / europe but quite frequent in south america
Its 5 times the fun dose. Try doing that with some other drugs and it can be life threatening..
Was the feeling same as when you tightly shut your eyes? It's the Tensor Tympani muscle, but I'm not sure what could be causing it to spasm exactly.