person A: I didn't notice it until I got home from work_comma_ but I had a huge ketchup stain on my blouse!
person B: oh_comma_ thats embarassing.  I hate it when that happens.   
person A: Yes_comma_ and none of my co-workers told me! I would hope someone would let me know!
person B: haha_comma_ well maybe they didn't want to embarass you.