He almost can't let go, even when he hears the permission. He's been holding on so tightly. Poison's eyebrows draw together and he tries to move a little more, tries to fuck himself on the toy as he rocks up to meet each stroke of Jack's hand. Just a few seconds later he cries out, head throw back as he comes, hard. He swears that he whites out for a moment, eyes tightly shut as he rides out the intense relief, feeling his own come stripe across his stomach, hitting his chest.