Everyone feels stupid every now and again - especially if you're a rational person with a reasonably sized ego. It could be because you forgot to include an attachment on an important work email. Or maybe because you sent a text to the person you were gossiping about instead of the intended recipient. Or worse? You said yes to what you thought was going to be a chill night - and it ended up being a rager that leaves you cripplingly hungover during an important work presentation. If you are ever…