The right answer is false sense of well being.
Cocaine and derivates give a feeling of euphoria and improvement of the performance.
Same for Amphetamine Consumers: People who consume ecstasy enjoy the pleasant sensations it provides: euphoria, excitement, increased motor activity, insomnia, ↗ vigilance, perceptions and self-confidence, ease of the expression of emotions and anorexia (taking amphetamine leads to a decrease in appetite, because the drug interacts with the hypothalamus, whose function is the control of appetite).
