Jon could feel her moving as her breasts swung him about; it felt strange being a living bra, the heat from her breasts was making him feel hot, and though it wasn't like it was an uncomfortable feeling, he just knew that he didn't like it.
In a bid to get revenge, or at the very least remind the lady that there was a person strapped to her chest, Jon tried sqeezing what felt like his legs in order to make him (as a bra) feel uncomfortable on her body. Marsha started feeling the bra digging into her, and wondered if Jon was responsible.
With a smile, she realized just what was happening, and formulated a way to fix it. Getting the rock out she whispered so as not to be overheard, "I wish this bra would adjust to best fit, and then not move."
Jon wasn't really sure what he wanted to think about that one, and as his last few movements managed to undo all that he'd worked so hard to make uncomfortable, he knew that dealing with this woman and her hot breasts was going to be a pain in the neck.