Final answer:
Rosencrantz appears eager to keep busy and be constructive, while Guildenstern is guided more by pessimism, leading to their contrasting views on what they should be doing in 'Rosencrantz and Guildenstern Are Dead.'
Step-by-step explanation:
The most likely reason Rosencrantz and Guildenstern feel differently about what they should be doing stems from their personalities and outlooks in Rosencrantz and Guildenstern Are Dead by Tom Stoppard. Rosencrantz seems to have a desire to keep busy and find purpose through action, whereas Guildenstern exhibits a sense of pessimism, questioning the usefulness of their involvement or any action they might take. Their dialogue reflects a contrast between Rosencrantz's need for activity and Guildenstern's more fatalistic perspective on their situation.