Caught in towel - My neighbour daughter teen

Yesterday after my bath, I didnt find any pants to wear, so i got my towel and went downstairs do pick one, and while i was there somebody ring my bell. I went to see who it was, and it was my neighbour daughter holding a playing ball that went from my garden to their garden, and probably to return it. I thought it maybe it wasn't a good ideia to open the door like this, she's only 17 and might not like to look at her neighbour in towel...but then i thought, ummm i have the perfect excuse, she's the one ringing at my bell right now. So i opened the door with my towel on, and there she was...she's so grown up now, everything in place :) She smiles while i excuse myself for beeing in a towel bla bla bla, and my mind went immediately to the opportunity of flashing her.. should i do it? ummm if she takes it the wrong way i have a huge problem with my neighbour and my wife.. and meanwhile i got hard behind the towel... so i while i was getting my ball back from her hands, the other hand behind my back intentionally pushed the towel down, but giving the appearance it was an accident... I say sorry again and pick up the towel, not too fast, not to slow, and look at her face meanwhile... she was shoked first, then looking with much attention to my hard cock, and that eyes screamed desire, she was willing to take it, and then she looks at me while i say sorry, says "is ok, don't worry, i have to get going..." and went back to her home.... i close the door with a real hard erection....