Really varies by person. I need no willpower to go to the gym - I enjoy it. But, if I am low energy, I don't go. From past experience my lifts will all be off,

Really varies by person. I need no willpower to go to the gym - I enjoy it. But, if I am low energy, I don't go. From past experience my lifts will all be off, and I need to fix whatever is lowering the energy. This doesn't mean your solution is wrong! It's just a csse of different circumstances. Very hard to generalize this stuff.