Just preoccupy your mind with something else. Physical exercise does wonders, hiking in nature being the tops. If you live in a big city, getting out in nature might not be an option, but there are gyms everywhere and signing up is the way to go. Endorphine release is the name of the game...
What worked for me was hiking in the hills where I was able so scream and not be institutionalized. You have to get your anger out, you have to battle your depression, you have to fix you, the pieces of you into a new you, a better you, it is the perfect opportunity... Learn about stages of grieving, recognize where you are at, do not deny it...
Being where you are now [censored], but it is also a golden opportunity. One thing I can promise is that it does get better, it just takes time and working on yourself. Time to do some self reflection, embrace your faults and love yourself. Get out, get in shape, buy some new clothes, change a lifestyle (and no, do not get a red corvette, 3 pounds of gold chains and wear unbuttoned shirts...