She'd worked too goddamn hard to defeat Doyle to consider how everything would be different when she returned. They were still her family—they'd always be her family. But they were suddenly estranged. Second cousins once removed.
They had their brief moments of reconnection—nostalgia making them forget her seeming betrayal, their inability to follow her trail, the stake jutting out of her abdomen. They'd laugh about some old memory, but she could always tell when it all came back. She could see when they realized that it would never be the same—the light would drain from their eyes as their laughs trickle off. Her eyes would turn downward, avoiding the look in their eyes.
This is why she is currently whispering her goodbyes in their ears as they danced at JJ and Will's impromptu wedding. Sweet nothings whispered beneath a laugh as she slowly closed herself off from her family. To them, her words were just a rare moment of sentimentality brought on by too much champagne and the wedding. But come Monday, her resignation would be sitting on Hotch's blotter awaiting his signature. He'd give it, but only after he pleaded with her to stay with them. She'd gently tell him that it was a long time coming. And two weeks later, she'd be on a plane to London. To the next chapter in her life—one without the constant reminder of what she'd lost when she became Lauren again.