When I teach about the presence of the Holy Spirit in a person's life, as an avid bicyclist, I use the example of a Power Bar™. Those of you old enough to remember Underdog might recall the secret compartment of his ring that conveniently held a power pill. But all of these illustrate the same point—the Holy Spirit isn't going to work that way; we can't do it—even with a power pill. Only the presence of God via the Holy Spirit can do it.
And I praise God for that; if it depended on my strength, grit, and determination, it wouldn't happen...