DC got a rejection letter from a school today (he'd got into our 1st choice already so we weren't bothered). I texted DH to let him know he had not got in, he texted back great, we can focus on knowing he's definitely going to school choice 1 now. The rejection letter was a standard one liner 'due to many applications we couldn't accept....we can't offer feedback' etc, so I threw it away. DH got upset when he realised Id thrown it away, I said it was only a one line generic letter, I don't understand why you are so bothered but sorry, I genuinely thought you wouldn't care about seeing it...now he is just banging on about it constantly and is still upset about it. I think he's being really petty and a ridiculous waste of our evening as he is now stroppy. AIBU or is he?