Somehow, Shaw muses, she should have anticipated this becoming a thing. But the first time it happens she doesn't think much of it. (Four times Root sneaked up on Shaw and one time she didn't.)

"Why did we stop?" you ask, and you don't even try to keep the accusation out of your tone. Being stuck in an elevator with Root is exactly the last thing you need right now. "What did you do?"

She looks at you with those tired eyes and that sad, sad smile. She looks at you the way the pulling in your chest feels, painfully and relentlessly, and you don't know what to do with it. (4x05 Prophets. Sameen comes back.)