Asks questions.

“Um, excuse me, if it doesn’t fit can I return it?” He enquires of the store clerks.

The old man and woman regarded him. “Costumes are a perfect fit for everyone. Even you. Or it’s free.”

John regarded the costume. It looked much to small for him. “Free you say? Hmmm. Is there a change room?” He asked, sensing he could get this for his partner at no cost.

“Down the back,” the old man said with a mischievous grin. “But are you sure you want to be a harem girl? That’s Ottoman Empire era. Most harem girls were pampered sex slaves then...”

“Oh, it won’t fit,” John replied with surety. He turned and headed back to the change room. Once there he took out the skimpy costume.