I was like in a state that was the mix of depression and FOMO(fear of missing out) for months cus I didn't get in last year. But ay, eventually you'll accept the rejection and move on although it will sting a bit. No matter what always look for the main goal(mine is getting a successful business before 30) so no matter what advantages or opportunity losses I had it doesn't matter because all I need is to achieve my main goal. Also, I'm not really here to cheer you up just giving some advice on how to move on.