"As much as I wish I were made of steel...I'm not," the 29-year-old wrote on micro-blogging site Twitter.
The reality star seemed to imply that she's dealing with her very public marriage problems and Odom's substance abuse as best as she can.
She previously tweeted to "smile and no one will notice", but has since taken that comment down.
The couple's marriage, of nearly four years, has hit a rough patch after Odom was accused of cheating on Khloe and also allegedly taking crack cocaine.