"Most certainly not the last..." He beamed, endlessly pleased by her admitted desires came without any sort of prompting. More than anything, he wanted her want to be genuine.

Optimus purred when his attempt had the desired effect, optics bright as he took in her every reaction. But his own reactions came as well, interrupting his watching as his arms shook with weakness, pleasure skittering through his lines.

He laughed awkwardly, torn between leaning into the touch and pulling away to regain some control over himself.

"...Though I might have to ask you to -ah- touch me elsewhere. I can't touch you back with limp hands." He grinned wryly, hands pointedly flexing in their positions: against the back of her knee, and buried knuckle-deep in her pelvic-thigh connectors.