The reality TV star, 30, shared the cryptic and emotionally charged quote with followers via Instagram, captioned simply with a heart emoji.
"Like time suspended, a wound unmended—you and I. We had no ending, no said goodbye. For all my life, I'll wonder why," the image read.
And despite the lack of context, the date — late in the evening of her estranged husband's 35th birthday — seems like it could well be relevant.
As Us Weekly previously reported, the former couple are locked in a bitter divorce battle, with Odom refusing to sign divorce papers which were filed over 10 months ago. Find out more about Khloe's rocky divorce.
A source who observed Kardashian filming KUWTK on location yesterday revealed the curvaceous reality star was feeling glum.
"Khloe clearly was not in a good mood," the source told Us. "She stood in the corner aggressively texting someone and hardly looked up unless she was filming, she seemed stressed.”