Trudy is planning a party. She wants Don and Megan to attend, along with the Cosgroves, and while Don has no desire to go to some party out in the wilderness from whence he came, Megan says, upon his request for her to call and cancel, "If you want to tell her, you call her." And so he does, but Trudy is convincing, so convincing that Don comments on how he wishes Pete could close a deal so well. One has to note that Megan's role as wrangler of Don continues in this episode: She tells him what to wear; she tells him they're going to the party; it is she, on the way home, who drives and also consents to stop when he asks her to, telling her he wants to make a baby—what, Don!? Throughout, Megan is in the driver's seat, an obvious metaphor in keeping with the learning to drive theme. Yet if Pete is living in a domestic horror, Megan and Don's domestic life is far closer to bliss. For now.
Back in Driver's Ed, Pete appears to be making headway with his young lady friend. She—clad in pink, rosy-cheeked, innocent—confesses that her parents are afraid to send her away to school, what with the sniper at the University of Texas and the recent nurse murders (from last episode) in Chicago. Pete, burgeoning womanizer, taking on the role that Don appears to have left behind in marrying Megan, of course, is a far greater danger to this girl than is any sniper in Texas. We can see it in his eyes, his smirk, his faux-understanding gaze; we've seen him like this before. "Time feels like it's speeding up," says the girl. "It does, doesn't it?" agrees Pete. But for him the problem is that it's slowed to the trickle of that leaky faucet, day after day the same, a wife and baby waiting at home, fights with Roger Sterling (and others) in the office. The mundane existence of adult life is killing him.
At Trudy's party, a fine domestic affair, the leaky faucet bursts, and while the girls giggle and hover in a corner of the kitchen, Don whips off his shirt while Pete runs to get his toolbox. And of course Don fixes the faucet before Pete can even return; of course Don is the winner, because that's the way their relationship works. And later in the episode, at the brothel where they take Lane's friend and potential Jaguar client, Pete is told by a hooker "You're my king"—too little, too late, because he knows he's nobody's king. Don sits this one out at the bar, and there's an amusing scene with the brothel's madam: She asks him if she should get a TV for the place; he says "No" with expected Don Draper stoicism.
Later, as Pete and Don share a car home, Pete is sullen, the baby-faced man in need of Don's approval, yet again, who isn't getting what he wants. He wanted Don to take part at the brothel, or, at the very least, not to appear to be judging him. But among the things Don most constantly does is judge Pete—you'd think Pete would know this by now. Pete uses Roger as an example to make his case, saying Roger does this sort of thing (meaning dalliances with women not his wife) all the time. Don retorts, "Roger is miserable. I didn't think you were." And then we see a bit of the heart of Don. Pete says, of all people, he'd think Don would understand. And Don says, of Megan, in the context of his former suburban life with Betty, in the context of Pete's apparently bucolic life with Trudy, "If I'd met her first, I would have known not to throw it away."