A bent cock gets experimental medical treatment that makes life much more interesting for our hero. Not only is the crooked made straight, but the "road" gets lengthened and thickened in the process. ...and when you get a gift like that, it's important to share it with the everyone else...
Unknown to his son and daughter, this father was home and in his room when they began their sex romp. Instead of interrupting, he instead watched the action because he'd been long having unnatural feelings. Later, alone in the house with his daughter, he confronts the 15-year-old, demanding a piece of the action.