[ Saber keeps her hand at her mouth in a thoughtful pose as she uses her other arm to cross against her chest and rest her elbow on. ]

Adrenaline. We feel bursts of energy and near acceleration when scared or extremely excited. I'm fairly certain you have something similar to this? It's a self-defense mechanism. Ah.. and there's another type of excitement that humans experience that can cause awkward reactions, however..

[ The knight shakes her head, her cheeks becoming the slightest bit pink. ] Since you won't be like this for long, hopefully, I wouldn't be worried about it. I think the main thing you need to be aware of is reflexes; I am unsure how it is in Cybertronians, but say a human is not paying attention and is about to walk into something. They may suddenly randomly jump or startle to a stop and feel confused, but it will stop them from walking into the object. [ It's hard to decide what to tell him about, as she's unsure what all the Cybertronians experience. ]

Humans have many self-defense mechanisms as we are very easily harmed. Make sure to take care of yourself and be careful.