[ Jim expects Jack to be good at this, he could be all talk but with that easy confidence and smooth and sure moves he doesn't think that's the case. Still, good doesn't quite cover it, and if Jim was already slightly overwhelmed with the exciting speed at which things are moving, then he's definitely caught entirely off-guard when Jack's first tentative suck turns into him swallowing his cock whole in one go. ]
Fuck—!
[ That's really all it takes for him to moan loudly, both hands going down to Jack's shoulders, practically clawing at them for leverage. His whole body shivers in Jack's grip, and he feels his knees go a little weak the second time Jack bobs his head down to the base of his dick. At this rate his legs are going to fail him, so Jack better have a firm hold on him when that happens. ]
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Fuck—!
[ That's really all it takes for him to moan loudly, both hands going down to Jack's shoulders, practically clawing at them for leverage. His whole body shivers in Jack's grip, and he feels his knees go a little weak the second time Jack bobs his head down to the base of his dick. At this rate his legs are going to fail him, so Jack better have a firm hold on him when that happens. ]