The Anxious Person + Returning Something to the Shop

"Millie buys some new boots at lunchtime and wears them back to the office - but they are too tight - and now she's worn them!"

Millie buys some new boots at lunchtime and wears them back to the office - but they are too tight - and now she's worn them! Why did she buy them? her best friend June asks helpfully..... She nervously imagines what the assistant will say when she takes them back and how she will have an answer for everything ...