The joke is the absurd and funny statement, "ladies, my wife is single (and you should date her (implied))". Basically they are best friends who broke up and now they are supporting the other dating by joking absurdity of the situation.
Before artificial intelligence became a marketable buzz word, most games already included artificial intelligence (like NPCs) I guess when you have a GPT shaped hammer, everything looks like a nail.
The joke is the absurd and funny statement, "ladies, my wife is single (and you should date her (implied))". Basically they are best friends who broke up and now they are supporting the other dating by joking absurdity of the situation.