Hey, Seneca
Explanation
The Joke
The comic references the Stoic philosopher Seneca, who was known for his writings on death and the transience of life. Someone asks Seneca why he doesn't grieve when a friend dies. Seneca responds thoughtfully that when thinking of departed friends, it was sometimes "sweet and mellow" because when he was with them, he always had the feeling he was going to lose them -- a classic Stoic practice of negative visualization (premeditatio malorum), where one mentally prepares for loss to better appreciate the present.
In the punchline, his friend realizes that Seneca has been imagining him dead the entire time they've been talking. Seneca, sitting with a blissful expression, confirms: "I am so relaxed."
The Humor
The joke takes Seneca's genuine Stoic philosophy -- that one should contemplate the impermanence of loved ones in order to appreciate them more fully -- and highlights how creepy and socially awkward this would be in practice. While the philosophy sounds noble in the abstract, the reality of someone sitting next to you actively imagining your death in order to feel peaceful is deeply unsettling. The friend's alarmed reaction ("You're imagining me dead right now, aren't you?") grounds the lofty philosophy in awkward human reality.
References
- Seneca the Younger (c. 4 BC -- 65 AD) was a Roman Stoic philosopher, statesman, and dramatist. His letters and essays frequently discuss death, grief, and the importance of accepting mortality. The sentiment in the comic closely paraphrases passages from his Letters to Lucilius (Epistulae Morales), particularly Letter 63, which discusses grieving for friends.
- Premeditatio malorum ("premeditation of evils") is a core Stoic exercise in which practitioners mentally rehearse potential losses and hardships so they are less devastating when they occur.