As you’re growing up, you imagine your 20s as this mystical time of life, the “best years,” you’re told by those who have already passed through them. Your concept of it is glamorized by what you see on TV, the characters you love moving through the decade with cocktails and budding careers and witty banter peppered by pop culture references. The world teaches you that your 20s are your throwaway years. The decade in which you should take full advantage…