scared
Explanation
The Joke
A mother tells her child that sometimes at night she gets scared of things. She says this is the "scared quilt" -- something her own grandmother gave her as a kid when she was scared. She tells the child that instead of having all that fear, she should just put the quilt on her pillow and let it soak up the scaredness so she can sleep at night. But then the mother corrects herself: "Actually, I'm sorry. I meant I'm glad you're not scared. I'll go get the sadness quilt." The implication is that the mother herself needs a "sadness quilt" for her own emotional problems.
The Humor
The comic starts as a sweet, wholesome parenting moment -- a mother passing down a family comfort object to help her scared child. But the twist reveals that the mother is the one who actually needs emotional comfort, and her problems have graduated from childhood fears to adult sadness. The joke plays on the contrast between the simple, solvable fears of childhood and the more pervasive, harder-to-fix emotional burdens of adulthood. It also subverts the expectation that the parent is the one providing comfort; here, the parent is barely holding it together herself.