Toddler boy: Mommy, how come those water towers don’t take off?
Mommy: What?
Toddler boy: How come those water towers don’t take off?
Mommy: You mean, water towers like on those buildings?
Toddler boy: Yeah.
Mommy: And take off, you mean like rockets?
Toddler boy: Yeah.
Mommy: What have you been reading?

–F train

Overheard by: Eric W