That's how I feel right now with TNRoL by the time I finish the workout I'm beat and everytime I try to give the energy system stuff a go right after it's impossible because I have no energy to give to this.
"And for crying out loud. Don't go into the pain cave. I can't stress this enough. Your Totem Animal won't be in there to help you. You'll be on your own. The Pain Cave is for cowards.
Pain is your companion, don't go hide from it."