Being the best version of yourself, for me, includes feeling great about your appearance. Sometimes, acting the way we want to feel actually changes the way you feel. A good hair day and a new outfit makes me feel more confident, happier and energetic.
There are dozens of studies {including this one} that show a person's attire wholly affects their performance of tasks and the way they perceive themselves. Thus, the college student taking a calculus exam while wearing flannel bottoms and a sweatshirt could achieve a better grade had he worn slacks and a tie. Our minds acknowledge how we feel (which is intimately reflected by and influenced by how we are dressed) and then we act accordingly. An ensemble is a filter for the situations you encounter throughout the day.
I wear a "costume" for work; I wear black yoga pants at the gym; I come home and throw on my sweats. Unless I'm going out, I hardly ever do my hair, put on mascara, wear jewelery.
And so...I had been feeling a bit scrubbish.
My stepmom encouraged me to get up and get dressed each and every day. Her reasoning: "If you met the man of your dreams, a casting director looking for a new face, or a potential client, you'd want to look your best. Going out when you look scroungy is like telling yourself today is not the day any of those good things may happen. You don't expect them to happen and you won't be prepared if they do. But if you look like a million bucks, you'll be looking for the opportunities because you feel ready for them. And when they come, you'll feel confident instead of trying to hide the stain on your t-shirt or wishing you had put makeup on."

So I've been doing that. Even when I have no particular place to go, I've gotten fully dressed and then headed over to the Barnes and Noble near my house to answer emails and write, etc. (activities previously done in my apartment where pants are optional). And bonus--when I got short-notice invites to go out, I didn't decline because I wasn't ready and had no time to shower; I was already all ready (see what I did there with the wordy-word thing?) and I just walked out the door to meet the group.
It feels great. And fresh.
Real talk: we all know looking good helps us make great first impressions and that our appearance teaches people what to expect from us. Creating a personal brand helps people categorize and appreciate what you bring to the party (in your professional and personal circles). However, another very important reason to go the extra mile to cultivate your own style and look great is the resulting pep in your own step because you feel like a million bucks. I bought this outfit so I would be excited about getting dressed up and wore it the day I taught Sunday School in a room full of my peers.
Look good, feel good: check.
Bit of extra confidence: check.
Bright, yellow skirt-induced grin: check
The whole day totally rocked =)