I’m turning 40 this year. I’m going to close out my fourth decade (and sorry folks, 40 is actually the LAST year of your 30s and NOT the first year of your 40s – #fightme) and unlike many people, I’m happy to be older. After all, the only way to not grow old is to die young. No thanks. The thing is, (and I’m sure most people at my age agree), I don’t feel 40. (Well, I’m not 40 yet, I guess – but you know what I mean.) I don’t feel “old.” In my mind, I just turned 30. How is it that I’m turning 40? [clickToTweet tweet=”What I miss is that feeling – that #swagger – I used to have. Or maybe I never had it and I am remembering my young adulthood all wrong. #aging ” quote=”What I miss is that feeling – that swagger – I…