Here here. If your guys can't get it done in a normal timeframe they never will. Especially so if your guys are already working 70 hrs/week. Adding another 20

Here here. If your guys can't get it done in a normal timeframe they never will. Especially so if your guys are already working 70 hrs/week. Adding another 20 won't help you. Go back to the drawing board, plan better, go MVP for each iteration etc...