Yes, we do ^BUT is probably not nearly as obvious as the organic's way. Your blushing is cuter, in my opinion. When we ex-pe-ri-en-ce excitement we...uhm...[He feels sort of silly saying this, mostly because he never had to explain it to an organic.]... our engine revs.

[His own checks are getting reddish too, so he's not about to point that out and call her on it.]

I usually have good reflexes but in this body I can't move as fast as I am used to. And I can't feel my spark. [She probably doesn't understand the implications, but that's a huge deal for him. Blurr looks pained and one of his hand moves to his chest.] It's like the most important part of me is missing.