Need Motivation...HELP!

I'm 21 years old, 5'8" and 199 lbs. At 18, I was at my heaviest of 240 and lost down to 168 with the help of Phentermine (bad, I know). Of course, I dropped off, got to 175, met my boyfriend and got up to 220 with the help of Chinese buffets ;(

Anyways, I am down to 199 and in need of some motivation. I lost the weight recently with diet only, but as of 4 days ago, I have been walking/running anywhere between 4 miles to 7 miles a day and consuming 1400 calories...it's tough, but I already feel a lot better. Just want to be my old, old, old good-looking self again. I don't feel ugly, but I sure as hell don't feel sexy!
Any motivational words or stories to keep me motivated? Thank you so much!