Glass Half Something-or-other

Recently, someone told me I was a "glass half empty" kind of gal. I couldn't have been more surprised if she'd said I was three feet tall and smelled like chartreuse. I've always thought of myself as a fairly positive person.  Sure, I'm not exactly a I'll-go-ahead-and-make-up-my-guest-bed-'cause-NPH-is-in-town-and-we'll-doubtlessly-run-into-one-another-become-besties-and-have-an-impromptu-slumber-party-tonight-and-while-I'm-at-it-I-should-buy-a-crate-of-marshmallows-for-his-unicorn sort of person. …