a european young man is rubbing his chin in doubt, thinking and making plans.

uncertainty doubt hesitation contemplation planning consideration reflection analysis confusion perplexity ambivalence indecision evaluation decisionmaking thoughtfulness pondering speculation assessment rethinking questioning introspection brooding meditation scrutiny review examination deliberation conjecture inference deduction reasoning ponderance unease insecurity skepticism mistrust qualm apprehension tentativeness incertitude vacillation wavering suspicion selfexamination selfdoubt