P90X questions

sydneyaw

So my mother is a BIG Beachbody fan, and we have almost all their DVDs I must say, and I really wanna do P90X.
Well anyway, I am right now doing 30 Day Shred and a BL workout. But it seems like no matter how much I get my endurance up I can never handle P90X which is sad because there are people double my size that get through it but I just can't. Any advice? I've been trying for almost 2 years but give up every time. I just can't push myself through it no matter how hard I try...