[The cuteness is surprisingly useful. Some people will do anything for a cute face.]

Yeah, he's--

[She stops when Bulkhead mentions the ponies being useful. Cue her annoyance. It's even easier to tell what with her ears folding back and tail twitching.]

Excuse me, we're just as useful as any of these ponies. Why can't all of you understand that size doesn't mean everything?

[As the smallest bot, being a cat was never a problem for Arcee. She just saw herself as, um, a smaller pony. One that can jump better and kill faster.

Now you can all know how she felt, looking up at all of you all the time.]