Bull groans at the two contradicting sensations. The rope tightening, trapping him, putting him more under Bobo's power and reminding him just how much of a turn on this is. And then the kiss, chaste and sweet and still so utterly in control of him. He moans softly, practically begging for more. Then he glances at Bobo's crotch before he glances up at him with a raised eyebrow. "Please?"