If freedom is short of weapons, we must compensate with willpower.
Besides, what matters, when it comes to self-control, isn't so much willpower as vision-the ability to see the future, so that the long-run consequences of our short-run choices are vividly clear. In that sense, our shortcomings in this arena are really failures of imagination.
I only have so much willpower, Helen," he whispered. "And since you apparently sleep in the most ridiculously transparent tank top I've ever seen, I'm going to have to ask you to get under the covers before I do something stupid.
It's not that some people have willpower and some don't. It's that some people are ready to change and others are not.