I'm also this type of person if I don't give you go ahead to snap or take my pictures then you must not because I hate it if my picture is in another person's phone. Yes me giving you my pictures myself is different from you shaping it. And I also hate it to snap with someone's phone. If I use your phone to snap, I will collect my pictures then delete it immediately.
RE: Privacy vs. Public Photography: Where Should We Draw the Line?