Confessions of a style noob

I'll try not to make this post too long but here goes. 

I grew up pretty fat as a kid. All throughout high school I was more worried about clothes actually fitting than what looks good. 

At age 23 I have brought my weight down to normal and as it turns out I'm not half bad looking (aside from the flab and spare tire left over from the excess weight that can sometimes make it hard to find clothes that fit right. I have started going to the gym to remedy the situation). I recently got a job with Saks Fifth Avenue which has further motivated me to get some fashion sense.

My problem? I have absolutely no sense of style whatsoever. I know what looks good on others but that doesn't always translate into what will look good on me plus I'm not one to rip others' style. I have a lot of trouble putting outfits together for myself. Sometimes trips to the mall lead to anxiety over what to get. I also have no sense when it comes to matching, I were lots of darker colors as they are easier to put together. (or maybe not?)

I don't even have the slightest clue on how to style my hair or facial hair.

I love style. Seeing other people dress well makes me happy. Someone educate me or provide me the resources to educate myself.

Please and thank you!

Good advice, especially Master-Classter.

Not sure what uniqlo is but I saw another thread on it so I guess I'll start there.