She said: “I recognized you from your bowtie and sun glasses but I thought you said you were going to wear a blue jacket”.

He said:  “I am color-blind.  I have several jackets that are exactly alike except for color. I guessed this is the blue one.  I guess I was wrong.  What color is it”?

She said: Light gray.   “Don’t you have any one who can help you”?

He said:  “My wife, but she wasn’t feeling well and I didn’t want to bother her”.