[Begin Commentary] Since allowing word balloons in the comic you can see them go through a few stages; first, totally rounded like regular comics. But it turned out those were hard to draw well, and took up a lot of space (at least the way I was doing them). So in this comic I started trying rectangles, but after some time of this I really felt like they don’t fit the rounded, bendy aesthetic of the rest of my style.
By now I’ve more or less settled on “flat tops/bottoms & rounded sides” as my go-to style; they’re easy to draw and work around, but not so severe as totally rectangular ones. [July 23rd, 2015]