Just that single press and Locus shudders hard, mouth opening on a wide 'o', though what escapes is a strangled breath. Still. Delta has the whole of him bound up around a single finger in that moment, every limb tense as he arches towards him, towards the resonating echoes of pleasure that follow.

"I..." He takes a breath, swallows, and opens his eyes once more, now a little darker than before. "I think you're doing well, on that count."