"I don't- it's just a very specific mod and I'm not sure if people are into it or not and-" Sixshot's nervous babbling dies down when Tarn tilts his face up.

Right. That does not look like the expression of a mech who was turned off.

Sixshot cycles his optics in a slow blink before moving, slipping his fingers out of Tarn's port and sliding both hands under his partner's thighs.

"I'll hold back a little," he says, tone quietly teasing as he rises, spreading Tarn's legs apart. "You know how medics are when their hard work gets undone."