It was a cute nickname, sure the two of you weren't dating or anything but it still sent a pang of endearment through your heart when he called you 'Bug' in that sweet tone. It was your favorite nickname from him so far, but you were starting to get curious about his reasoning behind the nickname. You could assume that it was due to the Blue Beetle Alias, but that would be a bit too on the nose for Michael, so one day when the two of you were having your weekly movie night at Michael's apartment you'd asked why the nickname 'Bug'. His answer had you positively stunned, the second you finished your question Michael's face broke into a giddy grin,"Software bug. That's where it came from."