Chronolinguistics is unfortunately not a language that Galvatron understands. His smile falters as the mech takes his hand, and while he somewhat gets that Tarn is trying to communicate by this awkward tapping and rubbing of fingers, it's lost on Galvatron.

"What are you doing?" he laughs after a moment.

With a scoffing sound, he reaches for his head with a spare hand, snapping open a cranial panel, and then begins unspooling a cable.

"Connect with me. Share your thoughts."