My wife doesn't have it, so when we discovered I had it, she was gobsmacked by the fact that I don't see a green apple when told to picture it. I always though

My wife doesn't have it, so when we discovered I had it, she was gobsmacked by the fact that I don't see a green apple when told to picture it. I always though when someone would say "picture it" it was just describe it in as much detail as possible, like reading about it in a book.