If a person is watching you take candid street shots, and may even appear in some of them, and she is still smiling in your general direction, there’s a pretty good chance she will agree to be photographed. People communicate so much with non-verbal body language so look for the clues and hints that are given in the prospects out there.
The young woman on the top left corner would have made a great subject for my 100 Strangers project: I liked her fresh tulip pink lipstick color and lovely long hair.She passed the screen test here :-). And now you’re asking me why I missed the shot.
The truth is: when I’m keeping company with my own children, the role of Mummy takes priority over my role as Stranger Portrait Taker. I miss many decent opportunities.

Subjects for Stranger Portraits Provide Hints About Openess
This is a typical scenario: one of my kiddos needs a potty break. I snap the candid and then we enter the restroom. Business is finished, and we return to the outside, only to discover the group that contained the prospect has moved on.