Alcohol, prescription, and over-the-counter drugs can affect your judgment and reaction time. When combined, the effects can be catastrophic. As a rider, you cannot afford either to be impaired because bad judgment will get you into trouble and a slowed reaction time may get you killed. This area is primed to make or break your riding career. Remember—fun or fatal.
Motorcycles have evolved a great deal in recent years and continue to change. The changes usually represent an improvement in handling, function, and, often, in safety. Motorists are constantly changing, as are automobiles. In addition, while the mechanical factors have typically improved, the same cannot be said for the human factors.
Based on the information you cannot know all there is to know about riding. To enjoy riding do not be foolish; be properly protected, well trained, informed, and safe.