Jack's fingers moved along Andrew's hip, soft and soothing, a gentle contrast to what he was doing with his mouth. A tender touch as he tried to still Andrew a little - and to remind him to keep breathing, because he didn't want him to accidently pass out from asphyxiation! No, he wanted Andy awake to enjoy things!
He mouthed along the side of Andrew's cock, tasting the salt of his skin, tongue sliding over the head to lap up the beads of precum that gathered there before he finally wrapped his lips around the head, drawing it into his mouth.