He grins.
"Then before you try to change my mind I'm going to go pay for it."
Before she can protest again he heads to the register. The smiling salesgirl smiles even wider when he tells her that he'll be buying both the dress robes and the dress. She clasps her hands and tells him what a wonderful son he is for doing something so nice for his Mum.
Marshall resists the urge to roll his eyes but just smiles and nods as he pays for it.
After he does he comes back over and smiles.
"All done. Just take it up when you're finished and they'll wrap it for you."