Yes, I am scared of my workouts now.
I am in Month 2 of Insanity, and the first 3 days of the 2nd month have me in a state shock and awe. These workouts are brutal. More so than I imagined, and I am STUNNED than I am making it to the end of them. WOW!
I actually am afraid to do todays work out. 
Yikes! Max Cardio Conditioning. What the hell is that?
I have to say, as an “outside observer”– After about a month of P90X Rob stopped saying, ‘Dang, these workouts are brutal.” Two months into INSANITY he still comments on the utter destruction of every one of the workouts.
He’s a better person than I- I’d rather go run 12 miles than do 30 minutes of that schnit. It is not for the faint of heart– Who says you can’t get a killer workout from a video at home?