Why did Don and Betty divorce?

Roger Sterling, whose daughter was a friend of Francis’ daughter, unwittingly revealed to Don that Betty was having an affair. An incensed Don confronted Betty. After calling her a whore, he assured her that she “won’t get a nickel” in the ensuing divorce and that he intended to seek sole custody of the children.

What season does Betty leave Don?

They passionately kiss, and after the encounter, Betty returns home to tell Don she no longer loves him, leaving him stunned. This culminates in her seeing a divorce lawyer in the season 3 finale.

Does Betty cheat on Henry with Don?

She Never Cheated On Don, But Cheated On Henry With Don Instead.

When did Don and Megan get divorced?

It makes sense that their divorce finally happened in Season 7, because this is the season of replacement. The 70s replacing the 60s, the computer replacing humanity, McCann replacing SCP, and so on. And in fitting fashion, Don and Megan work to replace each other.

Does Don sleep with Betty again?

So yes, Don follows Betty back into her room, and they have sex.

How old is Betty Draper when she dies?

Her death from lung cancer at age 38(ish) is somehow the payment that Mad Men—which offered a giddy sleekness not at all unlike that of the shiny exchange explained in my first paragraph—has been willing to make so that viewers will know the beauty of capitalism kills, or rather kills in some cases.