Red Dead Redemption 2 is famous for its deep story and complex characters, but a quieter romantic subplot might have been hiding in plain sight. While the tragic love story between Arthur Morgan and Mary Linton is well known, there is evidence that another woman, Abigail Roberts (who later became Abigail Marston), might have meant a lot to Arthur, too. This is more than a journal entry, as interviews have hinted at the developers’ original intentions.

https://screenrant.com/red-dead-redemption-2-abigail-arthur-romance-hints/