i-am-no-longer-a-child
Explanation
The Joke
The comic depicts a coming-of-age ritual presented in the style of an ancient or fantasy ceremony. A father figure tells his child that he has "come of age" and it is no longer fitting to play with the toys of childhood. But instead of noble or dignified tasks, the rites of adulthood he prescribes are absurdly mundane and annoying middle-aged behaviors: growing a "traditional rear handlebar mustache," playing music at a volume that damages inner ears while "ignoring all music you were scarred by in your youth," and bathing only once every few days while not thoroughly drying off so that every towel is always damp.
The son solemnly accepts these duties ("I will do what I must"), treating these petty annoyances as sacred obligations. When asked if he is afraid, he responds with the stoic reply: "One cannot fear what I must." The final panel reveals silhouettes of the father and son, with the father saying they will adorn the son's room with posters of men he will never meet -- presumably sports or band posters -- and women he will never date.
The Humor
The comedy comes from the contrast between the grandiose, ritualistic framing and the utterly banal reality of what is being described. Every "sacred duty" is actually just a stereotypical complaint about dads: they grow embarrassing facial hair, blast music too loud, and leave towels damp. By presenting these as solemn rites of passage, Weinersmith satirizes how the annoying habits of middle-aged men are practically universal, as if they were indeed passed down through formal tradition rather than just developing naturally.
The votey panel adds a final touch where the father pledges never to gaze upon the son's browser history -- framed in faux-medieval language ("ne'er gaze upon"), this represents perhaps the one truly sacred boundary between parent and child in the modern age.
References
The comic parodies the structure of coming-of-age rituals found in many cultures, such as bar mitzvahs, vision quests, or other rites of passage where a child formally enters adulthood. The "rear handlebar mustache" likely refers to the stereotypical dad mustache style.