Help....Serious responses only please.. I am a 29 year old mother of two?

WHo has had the hardest time in the last few years. The father of my children has left me... I helped him get on his feet when he was homeless, due to the fact he had a past the preventing him from being able to get a place. I helped him get on his feet. when he lost his job agian, we had to move in a hotel. He cheated on me, left us with no money, starved us..wouldnt provide food, when i got upset with him cheating on me. HE wold belittle me, abuse me and force . I recently got a job, i felt that would help pay the bills, since we was geting evicted from the hotel. as i was about to get my first check , i get a call from the front desk, he just up and left, throwing out our belonging, i havent seen him since, that was october. I am severly despress, and i dont think i can make it. it seems like he got away scott free for what he has done to our family, what do i do..I just want to end it all, i am so depress...My babies derserve so much better, Help