PonyPotato

Of course this is something you need to speak with him about, as many people have pointed out.

Sure, my "I would be bothered" statement is somewhat influenced by societal standards of the sexual object-ness of breasts and the women who have them. But more directly it is influenced by my personal feelings regarding when and where it is okay to touch another human, regardless of sex. The only breast pockets I have ever felt comfortable unbuttoning, placing an object inside, and re-buttoning have belonged to myself. I would feel comfortable doing so with my SO and perhaps a close friend if specifically asked to place said object in the pocket, but with someone I met shortly before? No way. To me, physical contact of that prolonged type after such a short time is crossing a line, even if it is provoked by what the toucher views as chemistry.

I'd certainly ask him what his motivation was, as well as communicate to him that you are not comfortable with such behavior. Like I said in my first post.. why not hand the item to her?

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"Without passion man is a mere latent force and possibility, like the flint which awaits the shock of the iron before it can give forth its spark."
— Henri-Frédéric Amiel