Today, bld des nasturtiums, I bought myself shorts...

Today, bld des nasturtiums, I bought myself shorts. Only problem is it is too small, I call the store and I have to wait 2 weeks to get a refund or exchange. I ask the seller by phone but in case of exchange what happens if there is no longer my size? I like these shorts and she answers me: "well I don't know". Usually Mango is not my cam, but these shorts pleased me too much, disgusted.