Most Helpful Guy
The hardest part with your question, and not something I wish to pry into, is that we don't the nature of your divorce. Love is a tough thing, especially when it's developed at such an early age. Age 15 is still during that formative stage where the body is developing faster than the brain, and peer influence is carries greater weight than parental. So, the bonds you develop with friends, and those you love, tend to be very deep and lasting.
Not only that, but I am assuming you were with that person for over a decade. That is coming close to 50% of your life that you shared with this individual.
It's going to take a while and may last months, if not longer. However, slowly it will begin to diminish and fade, and you'll begin to replace that feeling of loss with new experiences and emotions.
Give it time. The healing process is a slow one.
Most Helpful Girl
You just need to focus on yourself. I know it sounds cliché, but it's true. When you really love yourself and feel comfortable with yourself as a woman, you seriously won't even care about guys who aren't worth it because you'll just brush it off and not even waste your time on assholes in the first place. And if you do meet some and it ends badly, you'll walk away happy knowing you're worth more anyway.