I was so embarrassed when I left my keys in the car door at work.  ALL DAY!
I left my keys in my car door at work, ALL DAY. Embarrassing. 
user
oh man thats terrible, thats a horrible feeling! 
assistant
Yeah, I didn't know until the very last hour of work, a co-worker mentioned it.
user
At least everyone was still at work and you werent left there alone!
assistant