The quote reflects the speaker's struggle to present someone as calm and composed, as instructed. Despite their efforts, the truth remains that the individual is inherently anxious and restless. This highlights the discrepancy between how one wants to be perceived and how they truly are.
The suggestion of using drugs hints at an underlying frustration or concern about managing anxiety in a more effective way. It raises questions about authenticity and the lengths individuals go to alter their public persona, suggesting that sometimes, external solutions are sought to cope with internal turmoil.