A SIMPLE KEY FOR HAHA UNVEILED

A friend who’s in his thirties and savvy, with mates of all ages, utilizes “hehe.” I uncover it charming—he’s an excellent speller, and he’s a lively, tidy author, and his “hehe”s are a strange thriller. I know very well what they necessarily mean: friendly, relatively sneaky giggling in a shared joke. But why the single “e”? t