Many don't realize the flesh needs to be trained to line up with God. Our flesh is our emotions, affections, and/or feelings. Let's familiarize ourselves with what our flesh is, so we can get started to learn how to train it.
You will be surprised to find what sins of the flesh are. Most people don't know, but once you do, you can be aware and take control of them.
The single most effective weapon the devil uses against believers is getting them to fight a fight that is already won. Learn how not to be ignorant of the devil's devices.