Are your two man drills Alive or Dead?

Meanings

Dead: Basically just routine that you can do with your eyes closed with out consciously applying it correctly or with timing...

Alive: Is when you do a drill based off the energy of the other person, timing is intuned with your partner, its not a routine follow the motions drill its a reactive and proactive drill. You don't know when your opponent is going to feed you but when he does you react accordingly!!!

Are your drills Alive or Dead?