Why Did Abby Kill Joel in 'The Last of Us'?

If you played 'The Last of Us Part II,' then you still probably aren't over what Abby did to Joel. So why does she kill him?

Y'all Hating Abby Over the Wrong Shit - Black Nerd Problems

The Way Abby Uses A Hammer In The Last Of Us Part 2 Still Upsets Me

The Last of Us 2 - Joel's Heartbreaking Death Scene

The Last Of Us 2: How Abby Knew Joel

The Last of Us Part 2: How Naughty Dog Created One of the Best

Misunderstanding Abby: How Naughty Dog Failed The Last of Us Part

Joel Miller, The Last of Us Wiki

Will Abby Be in 'The Last of Us' Season 2? What We Know

The Last of Us: She played Abby in a fan film – now she wants