he who hesitates is toast

"I should have been there." Some key has turned in some lock somewhere, all the grief that's been welling up in her since he took off his mask and she realized who he was bubbling up under her breastbone. "I should have forced my way onto that mission. I could have changed it, I--"

Everything hurts, and it isn't just because she's still bruised and battered from Rumlow, from the buildings coming down. From him. "I just got you back."